Home / 11,876.41-17,813.25-3,112.01

Finding the Fourth Proportional to 11,876.41, 17,813.25 and 3,112.01

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Solution

The fourth proportional to 11,876.41, 17,813.25 and 3,112.01 is: 4,667.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,876.41 : 17,813.25 = 3,112.01 : x
  2. Step 2: Convert to fraction form
    11,876.41/17,813.25 = 3,112.01/x
  3. Step 3: Cross multiply
    11,876.41x = 17,813.25 × 3,112.01
  4. Step 4: Simplify right side
    11,876.41x = 55,435,012.13
  5. Step 5: Solve for x
    x = 55,435,012.13/11,876.41
  6. Step 6: Final answer
    x = 4,667.66

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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.