Home / 11,952.36-17,927.20-3,188.04

Finding the Fourth Proportional to 11,952.36, 17,927.20 and 3,188.04

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Solution

The fourth proportional to 11,952.36, 17,927.20 and 3,188.04 is: 4,781.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,952.36 : 17,927.20 = 3,188.04 : x
  2. Step 2: Convert to fraction form
    11,952.36/17,927.20 = 3,188.04/x
  3. Step 3: Cross multiply
    11,952.36x = 17,927.20 × 3,188.04
  4. Step 4: Simplify right side
    11,952.36x = 57,152,630.69
  5. Step 5: Solve for x
    x = 57,152,630.69/11,952.36
  6. Step 6: Final answer
    x = 4,781.70

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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.