Home / 10,434.53-15,632.19-5,163.43

Finding the Fourth Proportional to 10,434.53, 15,632.19 and 5,163.43

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Solution

The fourth proportional to 10,434.53, 15,632.19 and 5,163.43 is: 7,735.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,434.53 : 15,632.19 = 5,163.43 : x
  2. Step 2: Convert to fraction form
    10,434.53/15,632.19 = 5,163.43/x
  3. Step 3: Cross multiply
    10,434.53x = 15,632.19 × 5,163.43
  4. Step 4: Simplify right side
    10,434.53x = 80,715,679.73
  5. Step 5: Solve for x
    x = 80,715,679.73/10,434.53
  6. Step 6: Final answer
    x = 7,735.44

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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.