Home / 11,174.90-16,764.16-3,779.80

Finding the Fourth Proportional to 11,174.90, 16,764.16 and 3,779.80

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Solution

The fourth proportional to 11,174.90, 16,764.16 and 3,779.80 is: 5,670.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,174.90 : 16,764.16 = 3,779.80 : x
  2. Step 2: Convert to fraction form
    11,174.90/16,764.16 = 3,779.80/x
  3. Step 3: Cross multiply
    11,174.90x = 16,764.16 × 3,779.80
  4. Step 4: Simplify right side
    11,174.90x = 63,365,171.97
  5. Step 5: Solve for x
    x = 63,365,171.97/11,174.90
  6. Step 6: Final answer
    x = 5,670.31

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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.