Home / 12,496.49-17,227.36-8,512.50

Finding the Fourth Proportional to 12,496.49, 17,227.36 and 8,512.50

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Solution

The fourth proportional to 12,496.49, 17,227.36 and 8,512.50 is: 11,735.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,496.49 : 17,227.36 = 8,512.50 : x
  2. Step 2: Convert to fraction form
    12,496.49/17,227.36 = 8,512.50/x
  3. Step 3: Cross multiply
    12,496.49x = 17,227.36 × 8,512.50
  4. Step 4: Simplify right side
    12,496.49x = 146,647,977.24
  5. Step 5: Solve for x
    x = 146,647,977.24/12,496.49
  6. Step 6: Final answer
    x = 11,735.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.