Home / 11,955.78-17,933.64-3,635.76

Finding the Fourth Proportional to 11,955.78, 17,933.64 and 3,635.76

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Solution

The fourth proportional to 11,955.78, 17,933.64 and 3,635.76 is: 5,453.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,955.78 : 17,933.64 = 3,635.76 : x
  2. Step 2: Convert to fraction form
    11,955.78/17,933.64 = 3,635.76/x
  3. Step 3: Cross multiply
    11,955.78x = 17,933.64 × 3,635.76
  4. Step 4: Simplify right side
    11,955.78x = 65,202,410.97
  5. Step 5: Solve for x
    x = 65,202,410.97/11,955.78
  6. Step 6: Final answer
    x = 5,453.63

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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.