Write four equivalent ratios for each ratio.
$9 t o 11$

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Solution

Step-1: Write $9 t o 11$ into a fraction
$9 t o 11$ $=$ $\frac{9}{11}$
Step-2: Four equivalent ratios for $\frac{9}{11}$
We can get equivalent ratios by multiplying the same number in the numerator and the denominator of the given ratio.
The first equivalent ratio for $\frac{9}{11}$ $= \frac{9 \times 2}{11 \times 2}$ $=$ $\frac{18}{22}$ or $18 : 22$
The second equivalent ratio for $\frac{9}{11}$ $= \frac{9 \times 3}{11 \times 3}$ $=$ $\frac{27}{33}$ or $27 : 33$
The third equivalent ratio for $\frac{9}{11}$ $= \frac{9 \times 4}{11 \times 4}$ $=$ $\frac{36}{44}$ or $36 : 44$
The fourth equivalent ratio for $\frac{9}{11}$ $= \frac{9 \times 5}{11 \times 5}$ $=$ $\frac{45}{55}$ or $30 : 35$
Hence, four equivalent ratios for $\frac{9}{11}$ $=$ $\frac{18}{22}, \frac{27}{33}, \frac{36}{44}, \frac{45}{55}$ or $18 : 22, 27 : 33, 36 : 44, 45 : 55$

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