Home / 7,637.88-11,456.64-2,443.80

Finding the Fourth Proportional to 7,637.88, 11,456.64 and 2,443.80

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Solution

The fourth proportional to 7,637.88, 11,456.64 and 2,443.80 is: 3,665.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,637.88 : 11,456.64 = 2,443.80 : x
  2. Step 2: Convert to fraction form
    7,637.88/11,456.64 = 2,443.80/x
  3. Step 3: Cross multiply
    7,637.88x = 11,456.64 × 2,443.80
  4. Step 4: Simplify right side
    7,637.88x = 27,997,736.83
  5. Step 5: Solve for x
    x = 27,997,736.83/7,637.88
  6. Step 6: Final answer
    x = 3,665.64

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.