Home / 11,229.31-16,845.65-3,628.06

Finding the Fourth Proportional to 11,229.31, 16,845.65 and 3,628.06

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Solution

The fourth proportional to 11,229.31, 16,845.65 and 3,628.06 is: 5,442.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,229.31 : 16,845.65 = 3,628.06 : x
  2. Step 2: Convert to fraction form
    11,229.31/16,845.65 = 3,628.06/x
  3. Step 3: Cross multiply
    11,229.31x = 16,845.65 × 3,628.06
  4. Step 4: Simplify right side
    11,229.31x = 61,116,995.90
  5. Step 5: Solve for x
    x = 61,116,995.90/11,229.31
  6. Step 6: Final answer
    x = 5,442.63

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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.