Home / 10,132.32-15,195.48-3,557.28

Finding the Fourth Proportional to 10,132.32, 15,195.48 and 3,557.28

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Solution

The fourth proportional to 10,132.32, 15,195.48 and 3,557.28 is: 5,334.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,132.32 : 15,195.48 = 3,557.28 : x
  2. Step 2: Convert to fraction form
    10,132.32/15,195.48 = 3,557.28/x
  3. Step 3: Cross multiply
    10,132.32x = 15,195.48 × 3,557.28
  4. Step 4: Simplify right side
    10,132.32x = 54,054,577.09
  5. Step 5: Solve for x
    x = 54,054,577.09/10,132.32
  6. Step 6: Final answer
    x = 5,334.87

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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.