Home / 11,201.09-16,789.28-4,623.66

Finding the Fourth Proportional to 11,201.09, 16,789.28 and 4,623.66

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Solution

The fourth proportional to 11,201.09, 16,789.28 and 4,623.66 is: 6,930.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,201.09 : 16,789.28 = 4,623.66 : x
  2. Step 2: Convert to fraction form
    11,201.09/16,789.28 = 4,623.66/x
  3. Step 3: Cross multiply
    11,201.09x = 16,789.28 × 4,623.66
  4. Step 4: Simplify right side
    11,201.09x = 77,627,899.25
  5. Step 5: Solve for x
    x = 77,627,899.25/11,201.09
  6. Step 6: Final answer
    x = 6,930.39

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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.