Home / 7,712.12-11,572.97-3,552.73

Finding the Fourth Proportional to 7,712.12, 11,572.97 and 3,552.73

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Solution

The fourth proportional to 7,712.12, 11,572.97 and 3,552.73 is: 5,331.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,712.12 : 11,572.97 = 3,552.73 : x
  2. Step 2: Convert to fraction form
    7,712.12/11,572.97 = 3,552.73/x
  3. Step 3: Cross multiply
    7,712.12x = 11,572.97 × 3,552.73
  4. Step 4: Simplify right side
    7,712.12x = 41,115,591.01
  5. Step 5: Solve for x
    x = 41,115,591.01/7,712.12
  6. Step 6: Final answer
    x = 5,331.29

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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.