Home / 7,450.56-10,286.46-5,691.24

Finding the Fourth Proportional to 7,450.56, 10,286.46 and 5,691.24

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Solution

The fourth proportional to 7,450.56, 10,286.46 and 5,691.24 is: 7,857.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,450.56 : 10,286.46 = 5,691.24 : x
  2. Step 2: Convert to fraction form
    7,450.56/10,286.46 = 5,691.24/x
  3. Step 3: Cross multiply
    7,450.56x = 10,286.46 × 5,691.24
  4. Step 4: Simplify right side
    7,450.56x = 58,542,712.61
  5. Step 5: Solve for x
    x = 58,542,712.61/7,450.56
  6. Step 6: Final answer
    x = 7,857.49

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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.