Home / 12,248.15-18,372.11-3,481.91

Finding the Fourth Proportional to 12,248.15, 18,372.11 and 3,481.91

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Solution

The fourth proportional to 12,248.15, 18,372.11 and 3,481.91 is: 5,222.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,248.15 : 18,372.11 = 3,481.91 : x
  2. Step 2: Convert to fraction form
    12,248.15/18,372.11 = 3,481.91/x
  3. Step 3: Cross multiply
    12,248.15x = 18,372.11 × 3,481.91
  4. Step 4: Simplify right side
    12,248.15x = 63,970,016.12
  5. Step 5: Solve for x
    x = 63,970,016.12/12,248.15
  6. Step 6: Final answer
    x = 5,222.83

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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.