Home / 8,240.68-11,372.94-4,704.42

Finding the Fourth Proportional to 8,240.68, 11,372.94 and 4,704.42

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Solution

The fourth proportional to 8,240.68, 11,372.94 and 4,704.42 is: 6,492.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,240.68 : 11,372.94 = 4,704.42 : x
  2. Step 2: Convert to fraction form
    8,240.68/11,372.94 = 4,704.42/x
  3. Step 3: Cross multiply
    8,240.68x = 11,372.94 × 4,704.42
  4. Step 4: Simplify right side
    8,240.68x = 53,503,086.39
  5. Step 5: Solve for x
    x = 53,503,086.39/8,240.68
  6. Step 6: Final answer
    x = 6,492.56

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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.