Home / 12,717.57-19,076.36-3,952.49

Finding the Fourth Proportional to 12,717.57, 19,076.36 and 3,952.49

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Solution

The fourth proportional to 12,717.57, 19,076.36 and 3,952.49 is: 5,928.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,717.57 : 19,076.36 = 3,952.49 : x
  2. Step 2: Convert to fraction form
    12,717.57/19,076.36 = 3,952.49/x
  3. Step 3: Cross multiply
    12,717.57x = 19,076.36 × 3,952.49
  4. Step 4: Simplify right side
    12,717.57x = 75,399,006.99
  5. Step 5: Solve for x
    x = 75,399,006.99/12,717.57
  6. Step 6: Final answer
    x = 5,928.73

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1.5x scale

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.