Home / 8,127.70-12,198.66-5,346.52

Finding the Fourth Proportional to 8,127.70, 12,198.66 and 5,346.52

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Solution

The fourth proportional to 8,127.70, 12,198.66 and 5,346.52 is: 8,024.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,127.70 : 12,198.66 = 5,346.52 : x
  2. Step 2: Convert to fraction form
    8,127.70/12,198.66 = 5,346.52/x
  3. Step 3: Cross multiply
    8,127.70x = 12,198.66 × 5,346.52
  4. Step 4: Simplify right side
    8,127.70x = 65,220,379.66
  5. Step 5: Solve for x
    x = 65,220,379.66/8,127.70
  6. Step 6: Final answer
    x = 8,024.46

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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.