Home / 6,634.46-9,149.82-5,142.44

Finding the Fourth Proportional to 6,634.46, 9,149.82 and 5,142.44

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Solution

The fourth proportional to 6,634.46, 9,149.82 and 5,142.44 is: 7,092.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,634.46 : 9,149.82 = 5,142.44 : x
  2. Step 2: Convert to fraction form
    6,634.46/9,149.82 = 5,142.44/x
  3. Step 3: Cross multiply
    6,634.46x = 9,149.82 × 5,142.44
  4. Step 4: Simplify right side
    6,634.46x = 47,052,400.36
  5. Step 5: Solve for x
    x = 47,052,400.36/6,634.46
  6. Step 6: Final answer
    x = 7,092.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.