Home / 36,343.50-54,515.25-9,689.58

Finding the Fourth Proportional to 36,343.50, 54,515.25 and 9,689.58

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Solution

The fourth proportional to 36,343.50, 54,515.25 and 9,689.58 is: 14,534.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,343.50 : 54,515.25 = 9,689.58 : x
  2. Step 2: Convert to fraction form
    36,343.50/54,515.25 = 9,689.58/x
  3. Step 3: Cross multiply
    36,343.50x = 54,515.25 × 9,689.58
  4. Step 4: Simplify right side
    36,343.50x = 528,229,876.10
  5. Step 5: Solve for x
    x = 528,229,876.10/36,343.50
  6. Step 6: Final answer
    x = 14,534.37

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.