Home / 8,331.17-12,490.56-5,043.49

Finding the Fourth Proportional to 8,331.17, 12,490.56 and 5,043.49

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Solution

The fourth proportional to 8,331.17, 12,490.56 and 5,043.49 is: 7,561.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,331.17 : 12,490.56 = 5,043.49 : x
  2. Step 2: Convert to fraction form
    8,331.17/12,490.56 = 5,043.49/x
  3. Step 3: Cross multiply
    8,331.17x = 12,490.56 × 5,043.49
  4. Step 4: Simplify right side
    8,331.17x = 62,995,983.23
  5. Step 5: Solve for x
    x = 62,995,983.23/8,331.17
  6. Step 6: Final answer
    x = 7,561.49

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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.