Home / 11,451.17-17,179.21-3,553.52

Finding the Fourth Proportional to 11,451.17, 17,179.21 and 3,553.52

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Solution

The fourth proportional to 11,451.17, 17,179.21 and 3,553.52 is: 5,331.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,451.17 : 17,179.21 = 3,553.52 : x
  2. Step 2: Convert to fraction form
    11,451.17/17,179.21 = 3,553.52/x
  3. Step 3: Cross multiply
    11,451.17x = 17,179.21 × 3,553.52
  4. Step 4: Simplify right side
    11,451.17x = 61,046,571.54
  5. Step 5: Solve for x
    x = 61,046,571.54/11,451.17
  6. Step 6: Final answer
    x = 5,331.03

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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.