Home / 11,652.38-17,479.90-3,861.20

Finding the Fourth Proportional to 11,652.38, 17,479.90 and 3,861.20

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Solution

The fourth proportional to 11,652.38, 17,479.90 and 3,861.20 is: 5,792.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,652.38 : 17,479.90 = 3,861.20 : x
  2. Step 2: Convert to fraction form
    11,652.38/17,479.90 = 3,861.20/x
  3. Step 3: Cross multiply
    11,652.38x = 17,479.90 × 3,861.20
  4. Step 4: Simplify right side
    11,652.38x = 67,493,389.88
  5. Step 5: Solve for x
    x = 67,493,389.88/11,652.38
  6. Step 6: Final answer
    x = 5,792.24

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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.