Home / 6,171.12-8,514.03-3,516.61

Finding the Fourth Proportional to 6,171.12, 8,514.03 and 3,516.61

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Solution

The fourth proportional to 6,171.12, 8,514.03 and 3,516.61 is: 4,851.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,171.12 : 8,514.03 = 3,516.61 : x
  2. Step 2: Convert to fraction form
    6,171.12/8,514.03 = 3,516.61/x
  3. Step 3: Cross multiply
    6,171.12x = 8,514.03 × 3,516.61
  4. Step 4: Simplify right side
    6,171.12x = 29,940,523.04
  5. Step 5: Solve for x
    x = 29,940,523.04/6,171.12
  6. Step 6: Final answer
    x = 4,851.72

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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.