Home / 10,908.66-16,370.15-5,981.79

Finding the Fourth Proportional to 10,908.66, 16,370.15 and 5,981.79

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Solution

The fourth proportional to 10,908.66, 16,370.15 and 5,981.79 is: 8,976.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,908.66 : 16,370.15 = 5,981.79 : x
  2. Step 2: Convert to fraction form
    10,908.66/16,370.15 = 5,981.79/x
  3. Step 3: Cross multiply
    10,908.66x = 16,370.15 × 5,981.79
  4. Step 4: Simplify right side
    10,908.66x = 97,922,799.57
  5. Step 5: Solve for x
    x = 97,922,799.57/10,908.66
  6. Step 6: Final answer
    x = 8,976.61

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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.