Home / 11,716.34-17,571.78-3,394.49

Finding the Fourth Proportional to 11,716.34, 17,571.78 and 3,394.49

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Solution

The fourth proportional to 11,716.34, 17,571.78 and 3,394.49 is: 5,090.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,716.34 : 17,571.78 = 3,394.49 : x
  2. Step 2: Convert to fraction form
    11,716.34/17,571.78 = 3,394.49/x
  3. Step 3: Cross multiply
    11,716.34x = 17,571.78 × 3,394.49
  4. Step 4: Simplify right side
    11,716.34x = 59,647,143.63
  5. Step 5: Solve for x
    x = 59,647,143.63/11,716.34
  6. Step 6: Final answer
    x = 5,090.94

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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.