Home / 8,731.91-12,049.97-4,753.02

Finding the Fourth Proportional to 8,731.91, 12,049.97 and 4,753.02

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Solution

The fourth proportional to 8,731.91, 12,049.97 and 4,753.02 is: 6,559.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,731.91 : 12,049.97 = 4,753.02 : x
  2. Step 2: Convert to fraction form
    8,731.91/12,049.97 = 4,753.02/x
  3. Step 3: Cross multiply
    8,731.91x = 12,049.97 × 4,753.02
  4. Step 4: Simplify right side
    8,731.91x = 57,273,724.64
  5. Step 5: Solve for x
    x = 57,273,724.64/8,731.91
  6. Step 6: Final answer
    x = 6,559.13

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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.