Home / 12,734.46-19,098-5,338.72

Finding the Fourth Proportional to 12,734.46, 19,098 and 5,338.72

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Solution

The fourth proportional to 12,734.46, 19,098 and 5,338.72 is: 8,006.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,734.46 : 19,098 = 5,338.72 : x
  2. Step 2: Convert to fraction form
    12,734.46/19,098 = 5,338.72/x
  3. Step 3: Cross multiply
    12,734.46x = 19,098 × 5,338.72
  4. Step 4: Simplify right side
    12,734.46x = 101,958,874.56
  5. Step 5: Solve for x
    x = 101,958,874.56/12,734.46
  6. Step 6: Final answer
    x = 8,006.53

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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.