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# 7 Math Ch. 7

### Ratios and Proportions

TermDefinition
base in a percent proportion, the whole quantity, or the number to which the part is being compared
cross product in a proportion, this is produced by multiplying the numerator of one ratio and the denominator of the other ratio
equivalent ratios two ratios that have the same value
part in a percent proportion, the number that is compared to the whole quantity
percent proportion compares part of a quantity to the whole quantity using a percent
proportion an equation that shows two ratios are equivalent
rate a ratio that compares two quantities with different kinds of units
scale on a map, intervals used representing the ratio of distance on the map to the actual distance
scale drawing a drawing that is similar but either larger or smaller than the actual object
scale factor a scale written as a ratio in simplest form
scale model a model used to represent something that is too large or too small for an actual-sized model
unit rate a rate with a denominator of 1
Created by: Miss Brinkoetter