Home / 10,757.14-16,138.78-3,361.70

Finding the Fourth Proportional to 10,757.14, 16,138.78 and 3,361.70

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Solution

The fourth proportional to 10,757.14, 16,138.78 and 3,361.70 is: 5,043.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,757.14 : 16,138.78 = 3,361.70 : x
  2. Step 2: Convert to fraction form
    10,757.14/16,138.78 = 3,361.70/x
  3. Step 3: Cross multiply
    10,757.14x = 16,138.78 × 3,361.70
  4. Step 4: Simplify right side
    10,757.14x = 54,253,768.67
  5. Step 5: Solve for x
    x = 54,253,768.67/10,757.14
  6. Step 6: Final answer
    x = 5,043.51

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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.