Home / 7,481.16-10,324.14-4,124.21

Finding the Fourth Proportional to 7,481.16, 10,324.14 and 4,124.21

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Solution

The fourth proportional to 7,481.16, 10,324.14 and 4,124.21 is: 5,691.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,481.16 : 10,324.14 = 4,124.21 : x
  2. Step 2: Convert to fraction form
    7,481.16/10,324.14 = 4,124.21/x
  3. Step 3: Cross multiply
    7,481.16x = 10,324.14 × 4,124.21
  4. Step 4: Simplify right side
    7,481.16x = 42,578,921.43
  5. Step 5: Solve for x
    x = 42,578,921.43/7,481.16
  6. Step 6: Final answer
    x = 5,691.49

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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.