Home / 12,250.80-18,373.17-5,227.38

Finding the Fourth Proportional to 12,250.80, 18,373.17 and 5,227.38

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Solution

The fourth proportional to 12,250.80, 18,373.17 and 5,227.38 is: 7,839.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,250.80 : 18,373.17 = 5,227.38 : x
  2. Step 2: Convert to fraction form
    12,250.80/18,373.17 = 5,227.38/x
  3. Step 3: Cross multiply
    12,250.80x = 18,373.17 × 5,227.38
  4. Step 4: Simplify right side
    12,250.80x = 96,043,541.39
  5. Step 5: Solve for x
    x = 96,043,541.39/12,250.80
  6. Step 6: Final answer
    x = 7,839.78

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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.