Home / 8,051.22-12,081.96-3,669.12

Finding the Fourth Proportional to 8,051.22, 12,081.96 and 3,669.12

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Solution

The fourth proportional to 8,051.22, 12,081.96 and 3,669.12 is: 5,506.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,051.22 : 12,081.96 = 3,669.12 : x
  2. Step 2: Convert to fraction form
    8,051.22/12,081.96 = 3,669.12/x
  3. Step 3: Cross multiply
    8,051.22x = 12,081.96 × 3,669.12
  4. Step 4: Simplify right side
    8,051.22x = 44,330,161.08
  5. Step 5: Solve for x
    x = 44,330,161.08/8,051.22
  6. Step 6: Final answer
    x = 5,506.02

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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.