Home / 8,516.56-12,771.66-2,968.36

Finding the Fourth Proportional to 8,516.56, 12,771.66 and 2,968.36

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Solution

The fourth proportional to 8,516.56, 12,771.66 and 2,968.36 is: 4,451.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,516.56 : 12,771.66 = 2,968.36 : x
  2. Step 2: Convert to fraction form
    8,516.56/12,771.66 = 2,968.36/x
  3. Step 3: Cross multiply
    8,516.56x = 12,771.66 × 2,968.36
  4. Step 4: Simplify right side
    8,516.56x = 37,910,884.68
  5. Step 5: Solve for x
    x = 37,910,884.68/8,516.56
  6. Step 6: Final answer
    x = 4,451.43

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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.