Home / 8,463.97-11,681.38-5,108.68

Finding the Fourth Proportional to 8,463.97, 11,681.38 and 5,108.68

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Solution

The fourth proportional to 8,463.97, 11,681.38 and 5,108.68 is: 7,050.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,463.97 : 11,681.38 = 5,108.68 : x
  2. Step 2: Convert to fraction form
    8,463.97/11,681.38 = 5,108.68/x
  3. Step 3: Cross multiply
    8,463.97x = 11,681.38 × 5,108.68
  4. Step 4: Simplify right side
    8,463.97x = 59,676,432.38
  5. Step 5: Solve for x
    x = 59,676,432.38/8,463.97
  6. Step 6: Final answer
    x = 7,050.64

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Half scale
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Double scale
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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.