Home / 8,067.76-11,133.66-4,531

Finding the Fourth Proportional to 8,067.76, 11,133.66 and 4,531

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Solution

The fourth proportional to 8,067.76, 11,133.66 and 4,531 is: 6,252.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,067.76 : 11,133.66 = 4,531 : x
  2. Step 2: Convert to fraction form
    8,067.76/11,133.66 = 4,531/x
  3. Step 3: Cross multiply
    8,067.76x = 11,133.66 × 4,531
  4. Step 4: Simplify right side
    8,067.76x = 50,446,613.46
  5. Step 5: Solve for x
    x = 50,446,613.46/8,067.76
  6. Step 6: Final answer
    x = 6,252.86

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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.