Home / 11,190.57-16,784.97-4,950.81

Finding the Fourth Proportional to 11,190.57, 16,784.97 and 4,950.81

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Solution

The fourth proportional to 11,190.57, 16,784.97 and 4,950.81 is: 7,425.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,190.57 : 16,784.97 = 4,950.81 : x
  2. Step 2: Convert to fraction form
    11,190.57/16,784.97 = 4,950.81/x
  3. Step 3: Cross multiply
    11,190.57x = 16,784.97 × 4,950.81
  4. Step 4: Simplify right side
    11,190.57x = 83,099,197.33
  5. Step 5: Solve for x
    x = 83,099,197.33/11,190.57
  6. Step 6: Final answer
    x = 7,425.82

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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.