Home / 10,159.44-15,236.24-3,919.04

Finding the Fourth Proportional to 10,159.44, 15,236.24 and 3,919.04

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Solution

The fourth proportional to 10,159.44, 15,236.24 and 3,919.04 is: 5,877.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,159.44 : 15,236.24 = 3,919.04 : x
  2. Step 2: Convert to fraction form
    10,159.44/15,236.24 = 3,919.04/x
  3. Step 3: Cross multiply
    10,159.44x = 15,236.24 × 3,919.04
  4. Step 4: Simplify right side
    10,159.44x = 59,711,434.01
  5. Step 5: Solve for x
    x = 59,711,434.01/10,159.44
  6. Step 6: Final answer
    x = 5,877.43

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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.