Home / 32,508.12-48,753.68-9,129.09

Finding the Fourth Proportional to 32,508.12, 48,753.68 and 9,129.09

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Solution

The fourth proportional to 32,508.12, 48,753.68 and 9,129.09 is: 13,691.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,508.12 : 48,753.68 = 9,129.09 : x
  2. Step 2: Convert to fraction form
    32,508.12/48,753.68 = 9,129.09/x
  3. Step 3: Cross multiply
    32,508.12x = 48,753.68 × 9,129.09
  4. Step 4: Simplify right side
    32,508.12x = 445,076,686.91
  5. Step 5: Solve for x
    x = 445,076,686.91/32,508.12
  6. Step 6: Final answer
    x = 13,691.25

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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.