Home / 10,992.05-16,487.84-2,672.11

Finding the Fourth Proportional to 10,992.05, 16,487.84 and 2,672.11

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Solution

The fourth proportional to 10,992.05, 16,487.84 and 2,672.11 is: 4,008.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,992.05 : 16,487.84 = 2,672.11 : x
  2. Step 2: Convert to fraction form
    10,992.05/16,487.84 = 2,672.11/x
  3. Step 3: Cross multiply
    10,992.05x = 16,487.84 × 2,672.11
  4. Step 4: Simplify right side
    10,992.05x = 44,057,308.78
  5. Step 5: Solve for x
    x = 44,057,308.78/10,992.05
  6. Step 6: Final answer
    x = 4,008.11

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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.