Home / 11,072.70-16,605.45-3,675.90

Finding the Fourth Proportional to 11,072.70, 16,605.45 and 3,675.90

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Solution

The fourth proportional to 11,072.70, 16,605.45 and 3,675.90 is: 5,512.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,072.70 : 16,605.45 = 3,675.90 : x
  2. Step 2: Convert to fraction form
    11,072.70/16,605.45 = 3,675.90/x
  3. Step 3: Cross multiply
    11,072.70x = 16,605.45 × 3,675.90
  4. Step 4: Simplify right side
    11,072.70x = 61,039,973.66
  5. Step 5: Solve for x
    x = 61,039,973.66/11,072.70
  6. Step 6: Final answer
    x = 5,512.65

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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.