\"\"

\

According to Means-extremes Property of proportion: If \"\", then ad = bc.

\

\"\"               (Cross products)\"\"

\

 

\

\"\"                      (Multiply: \"\")

\

\"\"                (Divide each side by 1.1)

\

 

\

\"\"                             (Cancel common terms)

\

 

\

\"\"                                  (Divide:\"\")\"\"

\

The value of n = 4.62.