Home / 10,163.31-15,251.47-5,486.57

Finding the Fourth Proportional to 10,163.31, 15,251.47 and 5,486.57

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Solution

The fourth proportional to 10,163.31, 15,251.47 and 5,486.57 is: 8,233.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,163.31 : 15,251.47 = 5,486.57 : x
  2. Step 2: Convert to fraction form
    10,163.31/15,251.47 = 5,486.57/x
  3. Step 3: Cross multiply
    10,163.31x = 15,251.47 × 5,486.57
  4. Step 4: Simplify right side
    10,163.31x = 83,678,326.20
  5. Step 5: Solve for x
    x = 83,678,326.20/10,163.31
  6. Step 6: Final answer
    x = 8,233.37

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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.