#### Answer

The missing length is 3.84 units

#### Work Step by Step

$\frac{33.2}{8.3}$=$\frac{y}{9.6}$ set cross products equal
8.3y=33.2$\times$9.6
8.3y = 318.72
$\frac{8.3y}{8.3}$=$\frac{318.72}{8.3}$ Divide both sides by 8.3
y=$\frac{3187.2}{83}$
y=3.84
The missing length is 3.84 units