Home / 8,676.27-12,961.67-5,531.22

Finding the Fourth Proportional to 8,676.27, 12,961.67 and 5,531.22

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Solution

The fourth proportional to 8,676.27, 12,961.67 and 5,531.22 is: 8,263.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,676.27 : 12,961.67 = 5,531.22 : x
  2. Step 2: Convert to fraction form
    8,676.27/12,961.67 = 5,531.22/x
  3. Step 3: Cross multiply
    8,676.27x = 12,961.67 × 5,531.22
  4. Step 4: Simplify right side
    8,676.27x = 71,693,820.68
  5. Step 5: Solve for x
    x = 71,693,820.68/8,676.27
  6. Step 6: Final answer
    x = 8,263.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.