Home / 10,112.29-15,161.28-3,867.04

Finding the Fourth Proportional to 10,112.29, 15,161.28 and 3,867.04

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Solution

The fourth proportional to 10,112.29, 15,161.28 and 3,867.04 is: 5,797.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,112.29 : 15,161.28 = 3,867.04 : x
  2. Step 2: Convert to fraction form
    10,112.29/15,161.28 = 3,867.04/x
  3. Step 3: Cross multiply
    10,112.29x = 15,161.28 × 3,867.04
  4. Step 4: Simplify right side
    10,112.29x = 58,629,276.21
  5. Step 5: Solve for x
    x = 58,629,276.21/10,112.29
  6. Step 6: Final answer
    x = 5,797.82

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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.