Home / 8,233.20-12,349.80-3,855.56

Finding the Fourth Proportional to 8,233.20, 12,349.80 and 3,855.56

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Solution

The fourth proportional to 8,233.20, 12,349.80 and 3,855.56 is: 5,783.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,233.20 : 12,349.80 = 3,855.56 : x
  2. Step 2: Convert to fraction form
    8,233.20/12,349.80 = 3,855.56/x
  3. Step 3: Cross multiply
    8,233.20x = 12,349.80 × 3,855.56
  4. Step 4: Simplify right side
    8,233.20x = 47,615,333.14
  5. Step 5: Solve for x
    x = 47,615,333.14/8,233.20
  6. Step 6: Final answer
    x = 5,783.33

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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.