Home / 11,185.63-16,778.54-3,394.44

Finding the Fourth Proportional to 11,185.63, 16,778.54 and 3,394.44

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Solution

The fourth proportional to 11,185.63, 16,778.54 and 3,394.44 is: 5,091.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,185.63 : 16,778.54 = 3,394.44 : x
  2. Step 2: Convert to fraction form
    11,185.63/16,778.54 = 3,394.44/x
  3. Step 3: Cross multiply
    11,185.63x = 16,778.54 × 3,394.44
  4. Step 4: Simplify right side
    11,185.63x = 56,953,747.32
  5. Step 5: Solve for x
    x = 56,953,747.32/11,185.63
  6. Step 6: Final answer
    x = 5,091.69

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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.