Home / 8,067.76-11,131.55-4,708.66

Finding the Fourth Proportional to 8,067.76, 11,131.55 and 4,708.66

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Solution

The fourth proportional to 8,067.76, 11,131.55 and 4,708.66 is: 6,496.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,067.76 : 11,131.55 = 4,708.66 : x
  2. Step 2: Convert to fraction form
    8,067.76/11,131.55 = 4,708.66/x
  3. Step 3: Cross multiply
    8,067.76x = 11,131.55 × 4,708.66
  4. Step 4: Simplify right side
    8,067.76x = 52,414,660.68
  5. Step 5: Solve for x
    x = 52,414,660.68/8,067.76
  6. Step 6: Final answer
    x = 6,496.80

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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.