Home / 10,352.08-15,532.46-5,424.96

Finding the Fourth Proportional to 10,352.08, 15,532.46 and 5,424.96

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Solution

The fourth proportional to 10,352.08, 15,532.46 and 5,424.96 is: 8,139.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,352.08 : 15,532.46 = 5,424.96 : x
  2. Step 2: Convert to fraction form
    10,352.08/15,532.46 = 5,424.96/x
  3. Step 3: Cross multiply
    10,352.08x = 15,532.46 × 5,424.96
  4. Step 4: Simplify right side
    10,352.08x = 84,262,974.20
  5. Step 5: Solve for x
    x = 84,262,974.20/10,352.08
  6. Step 6: Final answer
    x = 8,139.71

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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.