Home / 10,132.20-13,981.08-5,655.30

Finding the Fourth Proportional to 10,132.20, 13,981.08 and 5,655.30

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Solution

The fourth proportional to 10,132.20, 13,981.08 and 5,655.30 is: 7,803.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,132.20 : 13,981.08 = 5,655.30 : x
  2. Step 2: Convert to fraction form
    10,132.20/13,981.08 = 5,655.30/x
  3. Step 3: Cross multiply
    10,132.20x = 13,981.08 × 5,655.30
  4. Step 4: Simplify right side
    10,132.20x = 79,067,201.72
  5. Step 5: Solve for x
    x = 79,067,201.72/10,132.20
  6. Step 6: Final answer
    x = 7,803.56

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.