Home / 11,175.14-16,764.53-3,780.05

Finding the Fourth Proportional to 11,175.14, 16,764.53 and 3,780.05

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Solution

The fourth proportional to 11,175.14, 16,764.53 and 3,780.05 is: 5,670.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,175.14 : 16,764.53 = 3,780.05 : x
  2. Step 2: Convert to fraction form
    11,175.14/16,764.53 = 3,780.05/x
  3. Step 3: Cross multiply
    11,175.14x = 16,764.53 × 3,780.05
  4. Step 4: Simplify right side
    11,175.14x = 63,370,658.90
  5. Step 5: Solve for x
    x = 63,370,658.90/11,175.14
  6. Step 6: Final answer
    x = 5,670.68

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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.