Home / 11,166.33-16,737.75-3,768.21

Finding the Fourth Proportional to 11,166.33, 16,737.75 and 3,768.21

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Solution

The fourth proportional to 11,166.33, 16,737.75 and 3,768.21 is: 5,648.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,166.33 : 16,737.75 = 3,768.21 : x
  2. Step 2: Convert to fraction form
    11,166.33/16,737.75 = 3,768.21/x
  3. Step 3: Cross multiply
    11,166.33x = 16,737.75 × 3,768.21
  4. Step 4: Simplify right side
    11,166.33x = 63,071,356.93
  5. Step 5: Solve for x
    x = 63,071,356.93/11,166.33
  6. Step 6: Final answer
    x = 5,648.35

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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.