Home / 11,173.62-16,759.56-5,251.80

Finding the Fourth Proportional to 11,173.62, 16,759.56 and 5,251.80

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Solution

The fourth proportional to 11,173.62, 16,759.56 and 5,251.80 is: 7,877.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,173.62 : 16,759.56 = 5,251.80 : x
  2. Step 2: Convert to fraction form
    11,173.62/16,759.56 = 5,251.80/x
  3. Step 3: Cross multiply
    11,173.62x = 16,759.56 × 5,251.80
  4. Step 4: Simplify right side
    11,173.62x = 88,017,857.21
  5. Step 5: Solve for x
    x = 88,017,857.21/11,173.62
  6. Step 6: Final answer
    x = 7,877.29

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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.