Home / 8,114.27-12,166.47-3,177.99

Finding the Fourth Proportional to 8,114.27, 12,166.47 and 3,177.99

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Solution

The fourth proportional to 8,114.27, 12,166.47 and 3,177.99 is: 4,765.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,114.27 : 12,166.47 = 3,177.99 : x
  2. Step 2: Convert to fraction form
    8,114.27/12,166.47 = 3,177.99/x
  3. Step 3: Cross multiply
    8,114.27x = 12,166.47 × 3,177.99
  4. Step 4: Simplify right side
    8,114.27x = 38,664,920.00
  5. Step 5: Solve for x
    x = 38,664,920.00/8,114.27
  6. Step 6: Final answer
    x = 4,765.06

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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.