Home / 8,176.73-12,265.14-2,911.95

Finding the Fourth Proportional to 8,176.73, 12,265.14 and 2,911.95

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Solution

The fourth proportional to 8,176.73, 12,265.14 and 2,911.95 is: 4,367.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,176.73 : 12,265.14 = 2,911.95 : x
  2. Step 2: Convert to fraction form
    8,176.73/12,265.14 = 2,911.95/x
  3. Step 3: Cross multiply
    8,176.73x = 12,265.14 × 2,911.95
  4. Step 4: Simplify right side
    8,176.73x = 35,715,450.12
  5. Step 5: Solve for x
    x = 35,715,450.12/8,176.73
  6. Step 6: Final answer
    x = 4,367.94

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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.