Home / 12,081.66-18,112.92-5,504.26

Finding the Fourth Proportional to 12,081.66, 18,112.92 and 5,504.26

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Solution

The fourth proportional to 12,081.66, 18,112.92 and 5,504.26 is: 8,252.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,081.66 : 18,112.92 = 5,504.26 : x
  2. Step 2: Convert to fraction form
    12,081.66/18,112.92 = 5,504.26/x
  3. Step 3: Cross multiply
    12,081.66x = 18,112.92 × 5,504.26
  4. Step 4: Simplify right side
    12,081.66x = 99,698,175.76
  5. Step 5: Solve for x
    x = 99,698,175.76/12,081.66
  6. Step 6: Final answer
    x = 8,252.03

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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.