Home / 11,018.27-15,205.11-5,982.38

Finding the Fourth Proportional to 11,018.27, 15,205.11 and 5,982.38

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Solution

The fourth proportional to 11,018.27, 15,205.11 and 5,982.38 is: 8,255.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,018.27 : 15,205.11 = 5,982.38 : x
  2. Step 2: Convert to fraction form
    11,018.27/15,205.11 = 5,982.38/x
  3. Step 3: Cross multiply
    11,018.27x = 15,205.11 × 5,982.38
  4. Step 4: Simplify right side
    11,018.27x = 90,962,806.41
  5. Step 5: Solve for x
    x = 90,962,806.41/11,018.27
  6. Step 6: Final answer
    x = 8,255.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.