Home / 11,081.15-16,612.98-5,531.43

Finding the Fourth Proportional to 11,081.15, 16,612.98 and 5,531.43

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Solution

The fourth proportional to 11,081.15, 16,612.98 and 5,531.43 is: 8,292.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,081.15 : 16,612.98 = 5,531.43 : x
  2. Step 2: Convert to fraction form
    11,081.15/16,612.98 = 5,531.43/x
  3. Step 3: Cross multiply
    11,081.15x = 16,612.98 × 5,531.43
  4. Step 4: Simplify right side
    11,081.15x = 91,893,535.96
  5. Step 5: Solve for x
    x = 91,893,535.96/11,081.15
  6. Step 6: Final answer
    x = 8,292.78

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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.