Home / 11,196.15-16,789.80-4,172.31

Finding the Fourth Proportional to 11,196.15, 16,789.80 and 4,172.31

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Solution

The fourth proportional to 11,196.15, 16,789.80 and 4,172.31 is: 6,256.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,196.15 : 16,789.80 = 4,172.31 : x
  2. Step 2: Convert to fraction form
    11,196.15/16,789.80 = 4,172.31/x
  3. Step 3: Cross multiply
    11,196.15x = 16,789.80 × 4,172.31
  4. Step 4: Simplify right side
    11,196.15x = 70,052,250.44
  5. Step 5: Solve for x
    x = 70,052,250.44/11,196.15
  6. Step 6: Final answer
    x = 6,256.82

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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.