Home / 7,600.13-11,401.33-2,668.90

Finding the Fourth Proportional to 7,600.13, 11,401.33 and 2,668.90

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Solution

The fourth proportional to 7,600.13, 11,401.33 and 2,668.90 is: 4,003.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,600.13 : 11,401.33 = 2,668.90 : x
  2. Step 2: Convert to fraction form
    7,600.13/11,401.33 = 2,668.90/x
  3. Step 3: Cross multiply
    7,600.13x = 11,401.33 × 2,668.90
  4. Step 4: Simplify right side
    7,600.13x = 30,428,974.46
  5. Step 5: Solve for x
    x = 30,428,974.46/7,600.13
  6. Step 6: Final answer
    x = 4,003.75

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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.