Home / 8,275.37-12,400.90-6,524.75

Finding the Fourth Proportional to 8,275.37, 12,400.90 and 6,524.75

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Solution

The fourth proportional to 8,275.37, 12,400.90 and 6,524.75 is: 9,777.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,275.37 : 12,400.90 = 6,524.75 : x
  2. Step 2: Convert to fraction form
    8,275.37/12,400.90 = 6,524.75/x
  3. Step 3: Cross multiply
    8,275.37x = 12,400.90 × 6,524.75
  4. Step 4: Simplify right side
    8,275.37x = 80,912,786.97
  5. Step 5: Solve for x
    x = 80,912,786.97/8,275.37
  6. Step 6: Final answer
    x = 9,777.55

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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.