Home / 11,963.49-17,943.87-3,199.09

Finding the Fourth Proportional to 11,963.49, 17,943.87 and 3,199.09

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Solution

The fourth proportional to 11,963.49, 17,943.87 and 3,199.09 is: 4,798.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,963.49 : 17,943.87 = 3,199.09 : x
  2. Step 2: Convert to fraction form
    11,963.49/17,943.87 = 3,199.09/x
  3. Step 3: Cross multiply
    11,963.49x = 17,943.87 × 3,199.09
  4. Step 4: Simplify right side
    11,963.49x = 57,403,961.58
  5. Step 5: Solve for x
    x = 57,403,961.58/11,963.49
  6. Step 6: Final answer
    x = 4,798.26

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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.