Home / 8,512.62-11,744.15-5,153.14

Finding the Fourth Proportional to 8,512.62, 11,744.15 and 5,153.14

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Solution

The fourth proportional to 8,512.62, 11,744.15 and 5,153.14 is: 7,109.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,512.62 : 11,744.15 = 5,153.14 : x
  2. Step 2: Convert to fraction form
    8,512.62/11,744.15 = 5,153.14/x
  3. Step 3: Cross multiply
    8,512.62x = 11,744.15 × 5,153.14
  4. Step 4: Simplify right side
    8,512.62x = 60,519,249.13
  5. Step 5: Solve for x
    x = 60,519,249.13/8,512.62
  6. Step 6: Final answer
    x = 7,109.36

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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.