Home / 8,161.13-12,242.78-4,001.27

Finding the Fourth Proportional to 8,161.13, 12,242.78 and 4,001.27

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Solution

The fourth proportional to 8,161.13, 12,242.78 and 4,001.27 is: 6,002.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,161.13 : 12,242.78 = 4,001.27 : x
  2. Step 2: Convert to fraction form
    8,161.13/12,242.78 = 4,001.27/x
  3. Step 3: Cross multiply
    8,161.13x = 12,242.78 × 4,001.27
  4. Step 4: Simplify right side
    8,161.13x = 48,986,668.33
  5. Step 5: Solve for x
    x = 48,986,668.33/8,161.13
  6. Step 6: Final answer
    x = 6,002.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.