Home / 10,747.70-16,126.31-4,174.39

Finding the Fourth Proportional to 10,747.70, 16,126.31 and 4,174.39

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Solution

The fourth proportional to 10,747.70, 16,126.31 and 4,174.39 is: 6,263.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,747.70 : 16,126.31 = 4,174.39 : x
  2. Step 2: Convert to fraction form
    10,747.70/16,126.31 = 4,174.39/x
  3. Step 3: Cross multiply
    10,747.70x = 16,126.31 × 4,174.39
  4. Step 4: Simplify right side
    10,747.70x = 67,317,507.20
  5. Step 5: Solve for x
    x = 67,317,507.20/10,747.70
  6. Step 6: Final answer
    x = 6,263.43

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1.5x scale

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.