Home / 11,018.16-15,205.22-5,982.39

Finding the Fourth Proportional to 11,018.16, 15,205.22 and 5,982.39

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Solution

The fourth proportional to 11,018.16, 15,205.22 and 5,982.39 is: 8,255.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,018.16 : 15,205.22 = 5,982.39 : x
  2. Step 2: Convert to fraction form
    11,018.16/15,205.22 = 5,982.39/x
  3. Step 3: Cross multiply
    11,018.16x = 15,205.22 × 5,982.39
  4. Step 4: Simplify right side
    11,018.16x = 90,963,548.60
  5. Step 5: Solve for x
    x = 90,963,548.60/11,018.16
  6. Step 6: Final answer
    x = 8,255.78

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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.