Home / 11,391.29-17,086.82-3,600.10

Finding the Fourth Proportional to 11,391.29, 17,086.82 and 3,600.10

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Solution

The fourth proportional to 11,391.29, 17,086.82 and 3,600.10 is: 5,400.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,391.29 : 17,086.82 = 3,600.10 : x
  2. Step 2: Convert to fraction form
    11,391.29/17,086.82 = 3,600.10/x
  3. Step 3: Cross multiply
    11,391.29x = 17,086.82 × 3,600.10
  4. Step 4: Simplify right side
    11,391.29x = 61,514,260.68
  5. Step 5: Solve for x
    x = 61,514,260.68/11,391.29
  6. Step 6: Final answer
    x = 5,400.11

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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.