Home / 7,524.62-10,380.53-4,872.88

Finding the Fourth Proportional to 7,524.62, 10,380.53 and 4,872.88

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Solution

The fourth proportional to 7,524.62, 10,380.53 and 4,872.88 is: 6,722.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,524.62 : 10,380.53 = 4,872.88 : x
  2. Step 2: Convert to fraction form
    7,524.62/10,380.53 = 4,872.88/x
  3. Step 3: Cross multiply
    7,524.62x = 10,380.53 × 4,872.88
  4. Step 4: Simplify right side
    7,524.62x = 50,583,052.66
  5. Step 5: Solve for x
    x = 50,583,052.66/7,524.62
  6. Step 6: Final answer
    x = 6,722.34

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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.