Home / 9,319.46-13,974.35-2,744.78

Finding the Fourth Proportional to 9,319.46, 13,974.35 and 2,744.78

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Solution

The fourth proportional to 9,319.46, 13,974.35 and 2,744.78 is: 4,115.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,319.46 : 13,974.35 = 2,744.78 : x
  2. Step 2: Convert to fraction form
    9,319.46/13,974.35 = 2,744.78/x
  3. Step 3: Cross multiply
    9,319.46x = 13,974.35 × 2,744.78
  4. Step 4: Simplify right side
    9,319.46x = 38,356,432.80
  5. Step 5: Solve for x
    x = 38,356,432.80/9,319.46
  6. Step 6: Final answer
    x = 4,115.74

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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.