Home / 7,342.32-10,132.24-4,198.30

Finding the Fourth Proportional to 7,342.32, 10,132.24 and 4,198.30

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Solution

The fourth proportional to 7,342.32, 10,132.24 and 4,198.30 is: 5,793.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,342.32 : 10,132.24 = 4,198.30 : x
  2. Step 2: Convert to fraction form
    7,342.32/10,132.24 = 4,198.30/x
  3. Step 3: Cross multiply
    7,342.32x = 10,132.24 × 4,198.30
  4. Step 4: Simplify right side
    7,342.32x = 42,538,183.19
  5. Step 5: Solve for x
    x = 42,538,183.19/7,342.32
  6. Step 6: Final answer
    x = 5,793.56

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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.