Home / 8,755.28-13,140.48-3,562.64

Finding the Fourth Proportional to 8,755.28, 13,140.48 and 3,562.64

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Solution

The fourth proportional to 8,755.28, 13,140.48 and 3,562.64 is: 5,347.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,755.28 : 13,140.48 = 3,562.64 : x
  2. Step 2: Convert to fraction form
    8,755.28/13,140.48 = 3,562.64/x
  3. Step 3: Cross multiply
    8,755.28x = 13,140.48 × 3,562.64
  4. Step 4: Simplify right side
    8,755.28x = 46,814,799.67
  5. Step 5: Solve for x
    x = 46,814,799.67/8,755.28
  6. Step 6: Final answer
    x = 5,347.04

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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.