Home / 7,524.50-10,380.35-4,872.76

Finding the Fourth Proportional to 7,524.50, 10,380.35 and 4,872.76

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Solution

The fourth proportional to 7,524.50, 10,380.35 and 4,872.76 is: 6,722.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,524.50 : 10,380.35 = 4,872.76 : x
  2. Step 2: Convert to fraction form
    7,524.50/10,380.35 = 4,872.76/x
  3. Step 3: Cross multiply
    7,524.50x = 10,380.35 × 4,872.76
  4. Step 4: Simplify right side
    7,524.50x = 50,580,902.36
  5. Step 5: Solve for x
    x = 50,580,902.36/7,524.50
  6. Step 6: Final answer
    x = 6,722.17

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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.