Home / 7,481.18-10,324.09-4,124.12

Finding the Fourth Proportional to 7,481.18, 10,324.09 and 4,124.12

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Solution

The fourth proportional to 7,481.18, 10,324.09 and 4,124.12 is: 5,691.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,481.18 : 10,324.09 = 4,124.12 : x
  2. Step 2: Convert to fraction form
    7,481.18/10,324.09 = 4,124.12/x
  3. Step 3: Cross multiply
    7,481.18x = 10,324.09 × 4,124.12
  4. Step 4: Simplify right side
    7,481.18x = 42,577,786.05
  5. Step 5: Solve for x
    x = 42,577,786.05/7,481.18
  6. Step 6: Final answer
    x = 5,691.32

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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.