Home / 8,251.93-11,387.96-5,899.69

Finding the Fourth Proportional to 8,251.93, 11,387.96 and 5,899.69

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Solution

The fourth proportional to 8,251.93, 11,387.96 and 5,899.69 is: 8,141.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,251.93 : 11,387.96 = 5,899.69 : x
  2. Step 2: Convert to fraction form
    8,251.93/11,387.96 = 5,899.69/x
  3. Step 3: Cross multiply
    8,251.93x = 11,387.96 × 5,899.69
  4. Step 4: Simplify right side
    8,251.93x = 67,185,433.73
  5. Step 5: Solve for x
    x = 67,185,433.73/8,251.93
  6. Step 6: Final answer
    x = 8,141.78

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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.