Home / 11,629.72-17,440.50-3,836.44

Finding the Fourth Proportional to 11,629.72, 17,440.50 and 3,836.44

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Solution

The fourth proportional to 11,629.72, 17,440.50 and 3,836.44 is: 5,753.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,629.72 : 17,440.50 = 3,836.44 : x
  2. Step 2: Convert to fraction form
    11,629.72/17,440.50 = 3,836.44/x
  3. Step 3: Cross multiply
    11,629.72x = 17,440.50 × 3,836.44
  4. Step 4: Simplify right side
    11,629.72x = 66,909,431.82
  5. Step 5: Solve for x
    x = 66,909,431.82/11,629.72
  6. Step 6: Final answer
    x = 5,753.31

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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.