Home / 6,922.56-9,553.09-3,778.75

Finding the Fourth Proportional to 6,922.56, 9,553.09 and 3,778.75

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Solution

The fourth proportional to 6,922.56, 9,553.09 and 3,778.75 is: 5,214.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,922.56 : 9,553.09 = 3,778.75 : x
  2. Step 2: Convert to fraction form
    6,922.56/9,553.09 = 3,778.75/x
  3. Step 3: Cross multiply
    6,922.56x = 9,553.09 × 3,778.75
  4. Step 4: Simplify right side
    6,922.56x = 36,098,748.42
  5. Step 5: Solve for x
    x = 36,098,748.42/6,922.56
  6. Step 6: Final answer
    x = 5,214.65

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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.