Home / 8,546.45-12,821.53-2,623.36

Finding the Fourth Proportional to 8,546.45, 12,821.53 and 2,623.36

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Solution

The fourth proportional to 8,546.45, 12,821.53 and 2,623.36 is: 3,935.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,546.45 : 12,821.53 = 2,623.36 : x
  2. Step 2: Convert to fraction form
    8,546.45/12,821.53 = 2,623.36/x
  3. Step 3: Cross multiply
    8,546.45x = 12,821.53 × 2,623.36
  4. Step 4: Simplify right side
    8,546.45x = 33,635,488.94
  5. Step 5: Solve for x
    x = 33,635,488.94/8,546.45
  6. Step 6: Final answer
    x = 3,935.61

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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.