# Ratios and proportion

## Interactive practice questions

The two quantities are in proportion. Find the missing value.

$\frac{\editable{}}{10}:\frac{35}{50}$10:3550
Easy
Less than a minute

The two quantities are in proportion. Find the missing value.

The two quantities are in proportion. Find the missing value.

The two quantities are in proportion. Find the missing value.

### Outcomes

#### 9P.NA1.03

Solve for the unknown value in a proportion, using a variety of methods (e.g., concrete materials, algebraic reasoning, equivalent ratios, constant of proportionality)