8/u = 17/11 =what is the proportion of u

 U =  ;

or; write as:  "U = 5.176 " ;  

or; write as:  " U = 5  ".
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Explanation:
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Given:  " 8/U = 17/11 ; 

17 U = 8 *11 ; 

17 U = 88 ;

Divide each side of the equation by "17" :

17 U / 17 = 88/17 ;

U = ;

(or; "88 ÷ 17 = 5.1764705882352941) ;  U = 5.1764705882352941 ; 
               Round to:  U = 5.176 ; 

or, write as:  U = 5 .
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