Home / 8,731.27-12,049.45-4,752.53

Finding the Fourth Proportional to 8,731.27, 12,049.45 and 4,752.53

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Solution

The fourth proportional to 8,731.27, 12,049.45 and 4,752.53 is: 6,558.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,731.27 : 12,049.45 = 4,752.53 : x
  2. Step 2: Convert to fraction form
    8,731.27/12,049.45 = 4,752.53/x
  3. Step 3: Cross multiply
    8,731.27x = 12,049.45 × 4,752.53
  4. Step 4: Simplify right side
    8,731.27x = 57,265,372.61
  5. Step 5: Solve for x
    x = 57,265,372.61/8,731.27
  6. Step 6: Final answer
    x = 6,558.65

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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.