Home / 8,517.20-11,753.91-4,982.45

Finding the Fourth Proportional to 8,517.20, 11,753.91 and 4,982.45

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Solution

The fourth proportional to 8,517.20, 11,753.91 and 4,982.45 is: 6,875.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,517.20 : 11,753.91 = 4,982.45 : x
  2. Step 2: Convert to fraction form
    8,517.20/11,753.91 = 4,982.45/x
  3. Step 3: Cross multiply
    8,517.20x = 11,753.91 × 4,982.45
  4. Step 4: Simplify right side
    8,517.20x = 58,563,210.11
  5. Step 5: Solve for x
    x = 58,563,210.11/8,517.20
  6. Step 6: Final answer
    x = 6,875.88

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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.