Home / 11,840.22-17,768.25-4,914.72

Finding the Fourth Proportional to 11,840.22, 17,768.25 and 4,914.72

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Solution

The fourth proportional to 11,840.22, 17,768.25 and 4,914.72 is: 7,375.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,840.22 : 17,768.25 = 4,914.72 : x
  2. Step 2: Convert to fraction form
    11,840.22/17,768.25 = 4,914.72/x
  3. Step 3: Cross multiply
    11,840.22x = 17,768.25 × 4,914.72
  4. Step 4: Simplify right side
    11,840.22x = 87,325,973.64
  5. Step 5: Solve for x
    x = 87,325,973.64/11,840.22
  6. Step 6: Final answer
    x = 7,375.37

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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.