Home / 8,091.29-11,171.62-5,067.61

Finding the Fourth Proportional to 8,091.29, 11,171.62 and 5,067.61

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Solution

The fourth proportional to 8,091.29, 11,171.62 and 5,067.61 is: 6,996.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,091.29 : 11,171.62 = 5,067.61 : x
  2. Step 2: Convert to fraction form
    8,091.29/11,171.62 = 5,067.61/x
  3. Step 3: Cross multiply
    8,091.29x = 11,171.62 × 5,067.61
  4. Step 4: Simplify right side
    8,091.29x = 56,613,454.47
  5. Step 5: Solve for x
    x = 56,613,454.47/8,091.29
  6. Step 6: Final answer
    x = 6,996.84

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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.