Home / 11,318.68-16,976.82-6,928.48

Finding the Fourth Proportional to 11,318.68, 16,976.82 and 6,928.48

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Solution

The fourth proportional to 11,318.68, 16,976.82 and 6,928.48 is: 10,391.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,318.68 : 16,976.82 = 6,928.48 : x
  2. Step 2: Convert to fraction form
    11,318.68/16,976.82 = 6,928.48/x
  3. Step 3: Cross multiply
    11,318.68x = 16,976.82 × 6,928.48
  4. Step 4: Simplify right side
    11,318.68x = 117,623,557.83
  5. Step 5: Solve for x
    x = 117,623,557.83/11,318.68
  6. Step 6: Final answer
    x = 10,391.99

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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.