Home / 7,695.38-11,531.92-4,182.42

Finding the Fourth Proportional to 7,695.38, 11,531.92 and 4,182.42

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Solution

The fourth proportional to 7,695.38, 11,531.92 and 4,182.42 is: 6,267.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,695.38 : 11,531.92 = 4,182.42 : x
  2. Step 2: Convert to fraction form
    7,695.38/11,531.92 = 4,182.42/x
  3. Step 3: Cross multiply
    7,695.38x = 11,531.92 × 4,182.42
  4. Step 4: Simplify right side
    7,695.38x = 48,231,332.85
  5. Step 5: Solve for x
    x = 48,231,332.85/7,695.38
  6. Step 6: Final answer
    x = 6,267.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.