Home / 10,980.66-15,149.58-6,200.04

Finding the Fourth Proportional to 10,980.66, 15,149.58 and 6,200.04

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Solution

The fourth proportional to 10,980.66, 15,149.58 and 6,200.04 is: 8,553.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,980.66 : 15,149.58 = 6,200.04 : x
  2. Step 2: Convert to fraction form
    10,980.66/15,149.58 = 6,200.04/x
  3. Step 3: Cross multiply
    10,980.66x = 15,149.58 × 6,200.04
  4. Step 4: Simplify right side
    10,980.66x = 93,928,001.98
  5. Step 5: Solve for x
    x = 93,928,001.98/10,980.66
  6. Step 6: Final answer
    x = 8,553.95

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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.