Home / 11,249.62-15,523.16-6,213.60

Finding the Fourth Proportional to 11,249.62, 15,523.16 and 6,213.60

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Solution

The fourth proportional to 11,249.62, 15,523.16 and 6,213.60 is: 8,574.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,249.62 : 15,523.16 = 6,213.60 : x
  2. Step 2: Convert to fraction form
    11,249.62/15,523.16 = 6,213.60/x
  3. Step 3: Cross multiply
    11,249.62x = 15,523.16 × 6,213.60
  4. Step 4: Simplify right side
    11,249.62x = 96,454,706.98
  5. Step 5: Solve for x
    x = 96,454,706.98/11,249.62
  6. Step 6: Final answer
    x = 8,574.04

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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.