Home / 11,469.52-17,203.33-8,123.95

Finding the Fourth Proportional to 11,469.52, 17,203.33 and 8,123.95

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Solution

The fourth proportional to 11,469.52, 17,203.33 and 8,123.95 is: 12,185.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,469.52 : 17,203.33 = 8,123.95 : x
  2. Step 2: Convert to fraction form
    11,469.52/17,203.33 = 8,123.95/x
  3. Step 3: Cross multiply
    11,469.52x = 17,203.33 × 8,123.95
  4. Step 4: Simplify right side
    11,469.52x = 139,758,992.75
  5. Step 5: Solve for x
    x = 139,758,992.75/11,469.52
  6. Step 6: Final answer
    x = 12,185.25

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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.