Home / 7,452.91-11,179.33-1,906.23

Finding the Fourth Proportional to 7,452.91, 11,179.33 and 1,906.23

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Solution

The fourth proportional to 7,452.91, 11,179.33 and 1,906.23 is: 2,859.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,452.91 : 11,179.33 = 1,906.23 : x
  2. Step 2: Convert to fraction form
    7,452.91/11,179.33 = 1,906.23/x
  3. Step 3: Cross multiply
    7,452.91x = 11,179.33 × 1,906.23
  4. Step 4: Simplify right side
    7,452.91x = 21,310,369.46
  5. Step 5: Solve for x
    x = 21,310,369.46/7,452.91
  6. Step 6: Final answer
    x = 2,859.34

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Double scale
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Similar ratio
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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.