Home / 11,932.89-16,467.28-6,627.70

Finding the Fourth Proportional to 11,932.89, 16,467.28 and 6,627.70

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Solution

The fourth proportional to 11,932.89, 16,467.28 and 6,627.70 is: 9,146.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,932.89 : 16,467.28 = 6,627.70 : x
  2. Step 2: Convert to fraction form
    11,932.89/16,467.28 = 6,627.70/x
  3. Step 3: Cross multiply
    11,932.89x = 16,467.28 × 6,627.70
  4. Step 4: Simplify right side
    11,932.89x = 109,140,191.66
  5. Step 5: Solve for x
    x = 109,140,191.66/11,932.89
  6. Step 6: Final answer
    x = 9,146.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.