Home / 11,180.90-16,773.48-3,783.38

Finding the Fourth Proportional to 11,180.90, 16,773.48 and 3,783.38

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Solution

The fourth proportional to 11,180.90, 16,773.48 and 3,783.38 is: 5,675.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,180.90 : 16,773.48 = 3,783.38 : x
  2. Step 2: Convert to fraction form
    11,180.90/16,773.48 = 3,783.38/x
  3. Step 3: Cross multiply
    11,180.90x = 16,773.48 × 3,783.38
  4. Step 4: Simplify right side
    11,180.90x = 63,460,364.90
  5. Step 5: Solve for x
    x = 63,460,364.90/11,180.90
  6. Step 6: Final answer
    x = 5,675.78

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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.