Home / 8,524.31-11,767.18-5,731.43

Finding the Fourth Proportional to 8,524.31, 11,767.18 and 5,731.43

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Solution

The fourth proportional to 8,524.31, 11,767.18 and 5,731.43 is: 7,911.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,524.31 : 11,767.18 = 5,731.43 : x
  2. Step 2: Convert to fraction form
    8,524.31/11,767.18 = 5,731.43/x
  3. Step 3: Cross multiply
    8,524.31x = 11,767.18 × 5,731.43
  4. Step 4: Simplify right side
    8,524.31x = 67,442,709.63
  5. Step 5: Solve for x
    x = 67,442,709.63/8,524.31
  6. Step 6: Final answer
    x = 7,911.81

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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.