Home / 8,789.75-13,184.79-4,108.48

Finding the Fourth Proportional to 8,789.75, 13,184.79 and 4,108.48

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Solution

The fourth proportional to 8,789.75, 13,184.79 and 4,108.48 is: 6,162.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,789.75 : 13,184.79 = 4,108.48 : x
  2. Step 2: Convert to fraction form
    8,789.75/13,184.79 = 4,108.48/x
  3. Step 3: Cross multiply
    8,789.75x = 13,184.79 × 4,108.48
  4. Step 4: Simplify right side
    8,789.75x = 54,169,446.02
  5. Step 5: Solve for x
    x = 54,169,446.02/8,789.75
  6. Step 6: Final answer
    x = 6,162.80

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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.