Home / 8,072.24-12,109.32-3,454.64

Finding the Fourth Proportional to 8,072.24, 12,109.32 and 3,454.64

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Solution

The fourth proportional to 8,072.24, 12,109.32 and 3,454.64 is: 5,182.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,072.24 : 12,109.32 = 3,454.64 : x
  2. Step 2: Convert to fraction form
    8,072.24/12,109.32 = 3,454.64/x
  3. Step 3: Cross multiply
    8,072.24x = 12,109.32 × 3,454.64
  4. Step 4: Simplify right side
    8,072.24x = 41,833,341.24
  5. Step 5: Solve for x
    x = 41,833,341.24/8,072.24
  6. Step 6: Final answer
    x = 5,182.37

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.