Home / 8,251.38-12,329.46-6,236.82

Finding the Fourth Proportional to 8,251.38, 12,329.46 and 6,236.82

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Solution

The fourth proportional to 8,251.38, 12,329.46 and 6,236.82 is: 9,319.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,251.38 : 12,329.46 = 6,236.82 : x
  2. Step 2: Convert to fraction form
    8,251.38/12,329.46 = 6,236.82/x
  3. Step 3: Cross multiply
    8,251.38x = 12,329.46 × 6,236.82
  4. Step 4: Simplify right side
    8,251.38x = 76,896,622.72
  5. Step 5: Solve for x
    x = 76,896,622.72/8,251.38
  6. Step 6: Final answer
    x = 9,319.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.