Home / 7,217.54-9,960.13-4,073.86

Finding the Fourth Proportional to 7,217.54, 9,960.13 and 4,073.86

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Solution

The fourth proportional to 7,217.54, 9,960.13 and 4,073.86 is: 5,621.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,217.54 : 9,960.13 = 4,073.86 : x
  2. Step 2: Convert to fraction form
    7,217.54/9,960.13 = 4,073.86/x
  3. Step 3: Cross multiply
    7,217.54x = 9,960.13 × 4,073.86
  4. Step 4: Simplify right side
    7,217.54x = 40,576,175.20
  5. Step 5: Solve for x
    x = 40,576,175.20/7,217.54
  6. Step 6: Final answer
    x = 5,621.88

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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.