Home / 11,836.74-17,753.02-3,938.47

Finding the Fourth Proportional to 11,836.74, 17,753.02 and 3,938.47

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Solution

The fourth proportional to 11,836.74, 17,753.02 and 3,938.47 is: 5,907.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,836.74 : 17,753.02 = 3,938.47 : x
  2. Step 2: Convert to fraction form
    11,836.74/17,753.02 = 3,938.47/x
  3. Step 3: Cross multiply
    11,836.74x = 17,753.02 × 3,938.47
  4. Step 4: Simplify right side
    11,836.74x = 69,919,736.68
  5. Step 5: Solve for x
    x = 69,919,736.68/11,836.74
  6. Step 6: Final answer
    x = 5,907.01

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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.