Home / 12,403.16-17,115.92-6,737.70

Finding the Fourth Proportional to 12,403.16, 17,115.92 and 6,737.70

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Solution

The fourth proportional to 12,403.16, 17,115.92 and 6,737.70 is: 9,297.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,403.16 : 17,115.92 = 6,737.70 : x
  2. Step 2: Convert to fraction form
    12,403.16/17,115.92 = 6,737.70/x
  3. Step 3: Cross multiply
    12,403.16x = 17,115.92 × 6,737.70
  4. Step 4: Simplify right side
    12,403.16x = 115,321,934.18
  5. Step 5: Solve for x
    x = 115,321,934.18/12,403.16
  6. Step 6: Final answer
    x = 9,297.79

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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.