Home / 11,337.20-16,981.18-5,481.52

Finding the Fourth Proportional to 11,337.20, 16,981.18 and 5,481.52

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Solution

The fourth proportional to 11,337.20, 16,981.18 and 5,481.52 is: 8,210.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,337.20 : 16,981.18 = 5,481.52 : x
  2. Step 2: Convert to fraction form
    11,337.20/16,981.18 = 5,481.52/x
  3. Step 3: Cross multiply
    11,337.20x = 16,981.18 × 5,481.52
  4. Step 4: Simplify right side
    11,337.20x = 93,082,677.79
  5. Step 5: Solve for x
    x = 93,082,677.79/11,337.20
  6. Step 6: Final answer
    x = 8,210.38

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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.