Finding the Fourth Proportional to 8,512.29, 11,735.28 and 8,325.99
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Solution
The fourth proportional to 8,512.29, 11,735.28 and 8,325.99 is: 11,478.44
Step by Step Solution
- Step 1: Write the proportion equation
8,512.29 : 11,735.28 = 8,325.99 : x - Step 2: Convert to fraction form
8,512.29/11,735.28 = 8,325.99/x - Step 3: Cross multiply
8,512.29x = 11,735.28 × 8,325.99 - Step 4: Simplify right side
8,512.29x = 97,707,823.93 - Step 5: Solve for x
x = 97,707,823.93/8,512.29 - Step 6: Final answer
x = 11,478.44
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.