Home / 8,731.17-12,046.92-5,146.27

Finding the Fourth Proportional to 8,731.17, 12,046.92 and 5,146.27

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Solution

The fourth proportional to 8,731.17, 12,046.92 and 5,146.27 is: 7,100.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,731.17 : 12,046.92 = 5,146.27 : x
  2. Step 2: Convert to fraction form
    8,731.17/12,046.92 = 5,146.27/x
  3. Step 3: Cross multiply
    8,731.17x = 12,046.92 × 5,146.27
  4. Step 4: Simplify right side
    8,731.17x = 61,996,702.99
  5. Step 5: Solve for x
    x = 61,996,702.99/8,731.17
  6. Step 6: Final answer
    x = 7,100.62

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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.