Home / 11,920.01-17,882.33-3,600.68

Finding the Fourth Proportional to 11,920.01, 17,882.33 and 3,600.68

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Solution

The fourth proportional to 11,920.01, 17,882.33 and 3,600.68 is: 5,401.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,920.01 : 17,882.33 = 3,600.68 : x
  2. Step 2: Convert to fraction form
    11,920.01/17,882.33 = 3,600.68/x
  3. Step 3: Cross multiply
    11,920.01x = 17,882.33 × 3,600.68
  4. Step 4: Simplify right side
    11,920.01x = 64,388,440.57
  5. Step 5: Solve for x
    x = 64,388,440.57/11,920.01
  6. Step 6: Final answer
    x = 5,401.71

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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.