Home / 8,828.84-12,183.73-5,245.56

Finding the Fourth Proportional to 8,828.84, 12,183.73 and 5,245.56

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Solution

The fourth proportional to 8,828.84, 12,183.73 and 5,245.56 is: 7,238.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,828.84 : 12,183.73 = 5,245.56 : x
  2. Step 2: Convert to fraction form
    8,828.84/12,183.73 = 5,245.56/x
  3. Step 3: Cross multiply
    8,828.84x = 12,183.73 × 5,245.56
  4. Step 4: Simplify right side
    8,828.84x = 63,910,473.62
  5. Step 5: Solve for x
    x = 63,910,473.62/8,828.84
  6. Step 6: Final answer
    x = 7,238.83

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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.