Home / 10,107.29-15,163.80-3,445.25

Finding the Fourth Proportional to 10,107.29, 15,163.80 and 3,445.25

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Solution

The fourth proportional to 10,107.29, 15,163.80 and 3,445.25 is: 5,168.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,107.29 : 15,163.80 = 3,445.25 : x
  2. Step 2: Convert to fraction form
    10,107.29/15,163.80 = 3,445.25/x
  3. Step 3: Cross multiply
    10,107.29x = 15,163.80 × 3,445.25
  4. Step 4: Simplify right side
    10,107.29x = 52,243,006.13
  5. Step 5: Solve for x
    x = 52,243,006.13/10,107.29
  6. Step 6: Final answer
    x = 5,168.85

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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.