Home / 11,171.18-16,754.93-3,775.47

Finding the Fourth Proportional to 11,171.18, 16,754.93 and 3,775.47

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Solution

The fourth proportional to 11,171.18, 16,754.93 and 3,775.47 is: 5,662.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,171.18 : 16,754.93 = 3,775.47 : x
  2. Step 2: Convert to fraction form
    11,171.18/16,754.93 = 3,775.47/x
  3. Step 3: Cross multiply
    11,171.18x = 16,754.93 × 3,775.47
  4. Step 4: Simplify right side
    11,171.18x = 63,257,716.69
  5. Step 5: Solve for x
    x = 63,257,716.69/11,171.18
  6. Step 6: Final answer
    x = 5,662.58

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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.