Home / 8,849.25-12,213.18-5,704.83

Finding the Fourth Proportional to 8,849.25, 12,213.18 and 5,704.83

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Solution

The fourth proportional to 8,849.25, 12,213.18 and 5,704.83 is: 7,873.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,849.25 : 12,213.18 = 5,704.83 : x
  2. Step 2: Convert to fraction form
    8,849.25/12,213.18 = 5,704.83/x
  3. Step 3: Cross multiply
    8,849.25x = 12,213.18 × 5,704.83
  4. Step 4: Simplify right side
    8,849.25x = 69,674,115.66
  5. Step 5: Solve for x
    x = 69,674,115.66/8,849.25
  6. Step 6: Final answer
    x = 7,873.45

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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.