Home / 10,163.68-15,247.22-3,499.90

Finding the Fourth Proportional to 10,163.68, 15,247.22 and 3,499.90

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Solution

The fourth proportional to 10,163.68, 15,247.22 and 3,499.90 is: 5,250.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,163.68 : 15,247.22 = 3,499.90 : x
  2. Step 2: Convert to fraction form
    10,163.68/15,247.22 = 3,499.90/x
  3. Step 3: Cross multiply
    10,163.68x = 15,247.22 × 3,499.90
  4. Step 4: Simplify right side
    10,163.68x = 53,363,745.28
  5. Step 5: Solve for x
    x = 53,363,745.28/10,163.68
  6. Step 6: Final answer
    x = 5,250.44

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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.