document.write( "Question 1098237: The length a spring stretches is directly proportional to the force applied. If a force of 6 pounds stretches a spring 4 inches, how much force is necessary to stretch the same spring 7 inches?
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Algebra.Com's Answer #712622 by addingup(3677)\"\" \"About 
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IF it's directly proportional:
\n" ); document.write( "7/x = 4/6
\n" ); document.write( "x/7 = 6/4
\n" ); document.write( "x = 10.5 pounds
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