Question

find the missing values in the ratio table. then write the equivalent ratios.
flutes
7 21 28
clarinets
4 12 16
equivalent ratios: 7:□, □:12, 28:□

Explanation:

Step1: Identify base ratio

Base ratio: $7:4$

Step2: Find first missing value

Match 7 to 4 directly.
First missing value: $4$

Step3: Find second missing value

Scale 7 by $\frac{12}{4}=3$.
$7 \times 3 = 21$

Step4: Find third missing value

Scale 4 by $\frac{28}{7}=4$.
$4 \times 4 = 16$

Answer:

Equivalent ratios: $7:4$, $21:12$, $28:16$
Missing values (in order): $4$, $21$, $16$