Home / 11,623.44-17,431.20-3,830.16

Finding the Fourth Proportional to 11,623.44, 17,431.20 and 3,830.16

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Solution

The fourth proportional to 11,623.44, 17,431.20 and 3,830.16 is: 5,743.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,623.44 : 17,431.20 = 3,830.16 : x
  2. Step 2: Convert to fraction form
    11,623.44/17,431.20 = 3,830.16/x
  3. Step 3: Cross multiply
    11,623.44x = 17,431.20 × 3,830.16
  4. Step 4: Simplify right side
    11,623.44x = 66,764,284.99
  5. Step 5: Solve for x
    x = 66,764,284.99/11,623.44
  6. Step 6: Final answer
    x = 5,743.94

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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.