Home / 8,516.22-12,770.82-3,253.17

Finding the Fourth Proportional to 8,516.22, 12,770.82 and 3,253.17

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Solution

The fourth proportional to 8,516.22, 12,770.82 and 3,253.17 is: 4,878.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,516.22 : 12,770.82 = 3,253.17 : x
  2. Step 2: Convert to fraction form
    8,516.22/12,770.82 = 3,253.17/x
  3. Step 3: Cross multiply
    8,516.22x = 12,770.82 × 3,253.17
  4. Step 4: Simplify right side
    8,516.22x = 41,545,648.50
  5. Step 5: Solve for x
    x = 41,545,648.50/8,516.22
  6. Step 6: Final answer
    x = 4,878.41

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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.