Home / 8,741.68-13,118.20-5,229.04

Finding the Fourth Proportional to 8,741.68, 13,118.20 and 5,229.04

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Solution

The fourth proportional to 8,741.68, 13,118.20 and 5,229.04 is: 7,846.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,741.68 : 13,118.20 = 5,229.04 : x
  2. Step 2: Convert to fraction form
    8,741.68/13,118.20 = 5,229.04/x
  3. Step 3: Cross multiply
    8,741.68x = 13,118.20 × 5,229.04
  4. Step 4: Simplify right side
    8,741.68x = 68,595,592.53
  5. Step 5: Solve for x
    x = 68,595,592.53/8,741.68
  6. Step 6: Final answer
    x = 7,846.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.