Home / 11,221.27-16,796.32-6,275.90

Finding the Fourth Proportional to 11,221.27, 16,796.32 and 6,275.90

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Solution

The fourth proportional to 11,221.27, 16,796.32 and 6,275.90 is: 9,393.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,221.27 : 16,796.32 = 6,275.90 : x
  2. Step 2: Convert to fraction form
    11,221.27/16,796.32 = 6,275.90/x
  3. Step 3: Cross multiply
    11,221.27x = 16,796.32 × 6,275.90
  4. Step 4: Simplify right side
    11,221.27x = 105,412,024.69
  5. Step 5: Solve for x
    x = 105,412,024.69/11,221.27
  6. Step 6: Final answer
    x = 9,393.95

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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.