Home / 9,149.18-12,625.89-4,957.43

Finding the Fourth Proportional to 9,149.18, 12,625.89 and 4,957.43

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Solution

The fourth proportional to 9,149.18, 12,625.89 and 4,957.43 is: 6,841.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,149.18 : 12,625.89 = 4,957.43 : x
  2. Step 2: Convert to fraction form
    9,149.18/12,625.89 = 4,957.43/x
  3. Step 3: Cross multiply
    9,149.18x = 12,625.89 × 4,957.43
  4. Step 4: Simplify right side
    9,149.18x = 62,591,965.86
  5. Step 5: Solve for x
    x = 62,591,965.86/9,149.18
  6. Step 6: Final answer
    x = 6,841.27

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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.