Home / 11,191.22-15,443.57-6,155.44

Finding the Fourth Proportional to 11,191.22, 15,443.57 and 6,155.44

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Solution

The fourth proportional to 11,191.22, 15,443.57 and 6,155.44 is: 8,494.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,191.22 : 15,443.57 = 6,155.44 : x
  2. Step 2: Convert to fraction form
    11,191.22/15,443.57 = 6,155.44/x
  3. Step 3: Cross multiply
    11,191.22x = 15,443.57 × 6,155.44
  4. Step 4: Simplify right side
    11,191.22x = 95,061,891.30
  5. Step 5: Solve for x
    x = 95,061,891.30/11,191.22
  6. Step 6: Final answer
    x = 8,494.33

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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.