Home / 10,906.11-16,361.78-3,511.26

Finding the Fourth Proportional to 10,906.11, 16,361.78 and 3,511.26

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Solution

The fourth proportional to 10,906.11, 16,361.78 and 3,511.26 is: 5,267.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,906.11 : 16,361.78 = 3,511.26 : x
  2. Step 2: Convert to fraction form
    10,906.11/16,361.78 = 3,511.26/x
  3. Step 3: Cross multiply
    10,906.11x = 16,361.78 × 3,511.26
  4. Step 4: Simplify right side
    10,906.11x = 57,450,446.09
  5. Step 5: Solve for x
    x = 57,450,446.09/10,906.11
  6. Step 6: Final answer
    x = 5,267.73

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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.