Home / 11,917.26-17,876.03-4,124.25

Finding the Fourth Proportional to 11,917.26, 17,876.03 and 4,124.25

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Solution

The fourth proportional to 11,917.26, 17,876.03 and 4,124.25 is: 6,186.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,917.26 : 17,876.03 = 4,124.25 : x
  2. Step 2: Convert to fraction form
    11,917.26/17,876.03 = 4,124.25/x
  3. Step 3: Cross multiply
    11,917.26x = 17,876.03 × 4,124.25
  4. Step 4: Simplify right side
    11,917.26x = 73,725,196.11
  5. Step 5: Solve for x
    x = 73,725,196.11/11,917.26
  6. Step 6: Final answer
    x = 6,186.42

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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.