Home / 8,726.08-12,042.31-5,000.80

Finding the Fourth Proportional to 8,726.08, 12,042.31 and 5,000.80

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Solution

The fourth proportional to 8,726.08, 12,042.31 and 5,000.80 is: 6,901.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,726.08 : 12,042.31 = 5,000.80 : x
  2. Step 2: Convert to fraction form
    8,726.08/12,042.31 = 5,000.80/x
  3. Step 3: Cross multiply
    8,726.08x = 12,042.31 × 5,000.80
  4. Step 4: Simplify right side
    8,726.08x = 60,221,183.85
  5. Step 5: Solve for x
    x = 60,221,183.85/8,726.08
  6. Step 6: Final answer
    x = 6,901.29

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1.5x scale

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.