Home / 11,825.26-17,739.90-5,251.30

Finding the Fourth Proportional to 11,825.26, 17,739.90 and 5,251.30

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Solution

The fourth proportional to 11,825.26, 17,739.90 and 5,251.30 is: 7,877.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,825.26 : 17,739.90 = 5,251.30 : x
  2. Step 2: Convert to fraction form
    11,825.26/17,739.90 = 5,251.30/x
  3. Step 3: Cross multiply
    11,825.26x = 17,739.90 × 5,251.30
  4. Step 4: Simplify right side
    11,825.26x = 93,157,536.87
  5. Step 5: Solve for x
    x = 93,157,536.87/11,825.26
  6. Step 6: Final answer
    x = 7,877.84

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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.