Home / 8,778.04-12,113.57-5,001.43

Finding the Fourth Proportional to 8,778.04, 12,113.57 and 5,001.43

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Solution

The fourth proportional to 8,778.04, 12,113.57 and 5,001.43 is: 6,901.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,778.04 : 12,113.57 = 5,001.43 : x
  2. Step 2: Convert to fraction form
    8,778.04/12,113.57 = 5,001.43/x
  3. Step 3: Cross multiply
    8,778.04x = 12,113.57 × 5,001.43
  4. Step 4: Simplify right side
    8,778.04x = 60,585,154.62
  5. Step 5: Solve for x
    x = 60,585,154.62/8,778.04
  6. Step 6: Final answer
    x = 6,901.90

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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.