Home / 8,760.25-13,142.96-3,759.92

Finding the Fourth Proportional to 8,760.25, 13,142.96 and 3,759.92

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Solution

The fourth proportional to 8,760.25, 13,142.96 and 3,759.92 is: 5,640.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,760.25 : 13,142.96 = 3,759.92 : x
  2. Step 2: Convert to fraction form
    8,760.25/13,142.96 = 3,759.92/x
  3. Step 3: Cross multiply
    8,760.25x = 13,142.96 × 3,759.92
  4. Step 4: Simplify right side
    8,760.25x = 49,416,457.03
  5. Step 5: Solve for x
    x = 49,416,457.03/8,760.25
  6. Step 6: Final answer
    x = 5,640.99

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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.