Home / 7,481.12-10,324.46-4,124.34

Finding the Fourth Proportional to 7,481.12, 10,324.46 and 4,124.34

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Solution

The fourth proportional to 7,481.12, 10,324.46 and 4,124.34 is: 5,691.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,481.12 : 10,324.46 = 4,124.34 : x
  2. Step 2: Convert to fraction form
    7,481.12/10,324.46 = 4,124.34/x
  3. Step 3: Cross multiply
    7,481.12x = 10,324.46 × 4,124.34
  4. Step 4: Simplify right side
    7,481.12x = 42,581,593.67
  5. Step 5: Solve for x
    x = 42,581,593.67/7,481.12
  6. Step 6: Final answer
    x = 5,691.88

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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.