Home / 7,844.22-11,768.26-3,897.32

Finding the Fourth Proportional to 7,844.22, 11,768.26 and 3,897.32

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Solution

The fourth proportional to 7,844.22, 11,768.26 and 3,897.32 is: 5,846.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,844.22 : 11,768.26 = 3,897.32 : x
  2. Step 2: Convert to fraction form
    7,844.22/11,768.26 = 3,897.32/x
  3. Step 3: Cross multiply
    7,844.22x = 11,768.26 × 3,897.32
  4. Step 4: Simplify right side
    7,844.22x = 45,864,675.06
  5. Step 5: Solve for x
    x = 45,864,675.06/7,844.22
  6. Step 6: Final answer
    x = 5,846.94

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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.