Home / 11,277.14-16,918.20-3,379.33

Finding the Fourth Proportional to 11,277.14, 16,918.20 and 3,379.33

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Solution

The fourth proportional to 11,277.14, 16,918.20 and 3,379.33 is: 5,069.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,277.14 : 16,918.20 = 3,379.33 : x
  2. Step 2: Convert to fraction form
    11,277.14/16,918.20 = 3,379.33/x
  3. Step 3: Cross multiply
    11,277.14x = 16,918.20 × 3,379.33
  4. Step 4: Simplify right side
    11,277.14x = 57,172,180.81
  5. Step 5: Solve for x
    x = 57,172,180.81/11,277.14
  6. Step 6: Final answer
    x = 5,069.74

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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.