Home / 11,952.52-17,890.44-6,391.96

Finding the Fourth Proportional to 11,952.52, 17,890.44 and 6,391.96

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Solution

The fourth proportional to 11,952.52, 17,890.44 and 6,391.96 is: 9,567.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,952.52 : 17,890.44 = 6,391.96 : x
  2. Step 2: Convert to fraction form
    11,952.52/17,890.44 = 6,391.96/x
  3. Step 3: Cross multiply
    11,952.52x = 17,890.44 × 6,391.96
  4. Step 4: Simplify right side
    11,952.52x = 114,354,976.86
  5. Step 5: Solve for x
    x = 114,354,976.86/11,952.52
  6. Step 6: Final answer
    x = 9,567.44

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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.