Home / 10,177.28-15,268.11-3,157.16

Finding the Fourth Proportional to 10,177.28, 15,268.11 and 3,157.16

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Solution

The fourth proportional to 10,177.28, 15,268.11 and 3,157.16 is: 4,736.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,177.28 : 15,268.11 = 3,157.16 : x
  2. Step 2: Convert to fraction form
    10,177.28/15,268.11 = 3,157.16/x
  3. Step 3: Cross multiply
    10,177.28x = 15,268.11 × 3,157.16
  4. Step 4: Simplify right side
    10,177.28x = 48,203,789.83
  5. Step 5: Solve for x
    x = 48,203,789.83/10,177.28
  6. Step 6: Final answer
    x = 4,736.41

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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.