Home / 12,013.20-16,578.24-6,708

Finding the Fourth Proportional to 12,013.20, 16,578.24 and 6,708

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Solution

The fourth proportional to 12,013.20, 16,578.24 and 6,708 is: 9,257.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,013.20 : 16,578.24 = 6,708 : x
  2. Step 2: Convert to fraction form
    12,013.20/16,578.24 = 6,708/x
  3. Step 3: Cross multiply
    12,013.20x = 16,578.24 × 6,708
  4. Step 4: Simplify right side
    12,013.20x = 111,206,833.92
  5. Step 5: Solve for x
    x = 111,206,833.92/12,013.20
  6. Step 6: Final answer
    x = 9,257.05

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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.