Home / 11,112.76-16,669.30-4,094.42

Finding the Fourth Proportional to 11,112.76, 16,669.30 and 4,094.42

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Solution

The fourth proportional to 11,112.76, 16,669.30 and 4,094.42 is: 6,141.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,112.76 : 16,669.30 = 4,094.42 : x
  2. Step 2: Convert to fraction form
    11,112.76/16,669.30 = 4,094.42/x
  3. Step 3: Cross multiply
    11,112.76x = 16,669.30 × 4,094.42
  4. Step 4: Simplify right side
    11,112.76x = 68,251,115.31
  5. Step 5: Solve for x
    x = 68,251,115.31/11,112.76
  6. Step 6: Final answer
    x = 6,141.69

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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.