Home / 11,776.20-17,664.39-3,456.35

Finding the Fourth Proportional to 11,776.20, 17,664.39 and 3,456.35

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Solution

The fourth proportional to 11,776.20, 17,664.39 and 3,456.35 is: 5,184.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,776.20 : 17,664.39 = 3,456.35 : x
  2. Step 2: Convert to fraction form
    11,776.20/17,664.39 = 3,456.35/x
  3. Step 3: Cross multiply
    11,776.20x = 17,664.39 × 3,456.35
  4. Step 4: Simplify right side
    11,776.20x = 61,054,226.05
  5. Step 5: Solve for x
    x = 61,054,226.05/11,776.20
  6. Step 6: Final answer
    x = 5,184.54

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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.