Home / 7,919.82-10,926.68-4,562.55

Finding the Fourth Proportional to 7,919.82, 10,926.68 and 4,562.55

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Solution

The fourth proportional to 7,919.82, 10,926.68 and 4,562.55 is: 6,294.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,919.82 : 10,926.68 = 4,562.55 : x
  2. Step 2: Convert to fraction form
    7,919.82/10,926.68 = 4,562.55/x
  3. Step 3: Cross multiply
    7,919.82x = 10,926.68 × 4,562.55
  4. Step 4: Simplify right side
    7,919.82x = 49,853,514.75
  5. Step 5: Solve for x
    x = 49,853,514.75/7,919.82
  6. Step 6: Final answer
    x = 6,294.78

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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.