Home / 10,981.73-16,473.05-3,190.54

Finding the Fourth Proportional to 10,981.73, 16,473.05 and 3,190.54

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Solution

The fourth proportional to 10,981.73, 16,473.05 and 3,190.54 is: 4,785.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,981.73 : 16,473.05 = 3,190.54 : x
  2. Step 2: Convert to fraction form
    10,981.73/16,473.05 = 3,190.54/x
  3. Step 3: Cross multiply
    10,981.73x = 16,473.05 × 3,190.54
  4. Step 4: Simplify right side
    10,981.73x = 52,557,974.11
  5. Step 5: Solve for x
    x = 52,557,974.11/10,981.73
  6. Step 6: Final answer
    x = 4,785.95

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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.