Home / 11,771.86-17,652.30-5,199.94

Finding the Fourth Proportional to 11,771.86, 17,652.30 and 5,199.94

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Solution

The fourth proportional to 11,771.86, 17,652.30 and 5,199.94 is: 7,797.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,771.86 : 17,652.30 = 5,199.94 : x
  2. Step 2: Convert to fraction form
    11,771.86/17,652.30 = 5,199.94/x
  3. Step 3: Cross multiply
    11,771.86x = 17,652.30 × 5,199.94
  4. Step 4: Simplify right side
    11,771.86x = 91,790,900.86
  5. Step 5: Solve for x
    x = 91,790,900.86/11,771.86
  6. Step 6: Final answer
    x = 7,797.48

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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.