Home / 11,101.90-16,651.33-3,706.19

Finding the Fourth Proportional to 11,101.90, 16,651.33 and 3,706.19

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Solution

The fourth proportional to 11,101.90, 16,651.33 and 3,706.19 is: 5,558.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,101.90 : 16,651.33 = 3,706.19 : x
  2. Step 2: Convert to fraction form
    11,101.90/16,651.33 = 3,706.19/x
  3. Step 3: Cross multiply
    11,101.90x = 16,651.33 × 3,706.19
  4. Step 4: Simplify right side
    11,101.90x = 61,712,992.73
  5. Step 5: Solve for x
    x = 61,712,992.73/11,101.90
  6. Step 6: Final answer
    x = 5,558.78

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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.