Home / 8,680.92-13,021.38-4,067.16

Finding the Fourth Proportional to 8,680.92, 13,021.38 and 4,067.16

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Solution

The fourth proportional to 8,680.92, 13,021.38 and 4,067.16 is: 6,100.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,680.92 : 13,021.38 = 4,067.16 : x
  2. Step 2: Convert to fraction form
    8,680.92/13,021.38 = 4,067.16/x
  3. Step 3: Cross multiply
    8,680.92x = 13,021.38 × 4,067.16
  4. Step 4: Simplify right side
    8,680.92x = 52,960,035.88
  5. Step 5: Solve for x
    x = 52,960,035.88/8,680.92
  6. Step 6: Final answer
    x = 6,100.74

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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.