Home / 12,351.85-17,053.43-8,110.44

Finding the Fourth Proportional to 12,351.85, 17,053.43 and 8,110.44

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Solution

The fourth proportional to 12,351.85, 17,053.43 and 8,110.44 is: 11,197.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,351.85 : 17,053.43 = 8,110.44 : x
  2. Step 2: Convert to fraction form
    12,351.85/17,053.43 = 8,110.44/x
  3. Step 3: Cross multiply
    12,351.85x = 17,053.43 × 8,110.44
  4. Step 4: Simplify right side
    12,351.85x = 138,310,850.78
  5. Step 5: Solve for x
    x = 138,310,850.78/12,351.85
  6. Step 6: Final answer
    x = 11,197.58

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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.