Home / 11,175.51-16,765.09-3,780.41

Finding the Fourth Proportional to 11,175.51, 16,765.09 and 3,780.41

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Solution

The fourth proportional to 11,175.51, 16,765.09 and 3,780.41 is: 5,671.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,175.51 : 16,765.09 = 3,780.41 : x
  2. Step 2: Convert to fraction form
    11,175.51/16,765.09 = 3,780.41/x
  3. Step 3: Cross multiply
    11,175.51x = 16,765.09 × 3,780.41
  4. Step 4: Simplify right side
    11,175.51x = 63,378,820.61
  5. Step 5: Solve for x
    x = 63,378,820.61/11,175.51
  6. Step 6: Final answer
    x = 5,671.22

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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.