Home / 11,105.24-16,663.30-6,178.52

Finding the Fourth Proportional to 11,105.24, 16,663.30 and 6,178.52

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Solution

The fourth proportional to 11,105.24, 16,663.30 and 6,178.52 is: 9,270.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,105.24 : 16,663.30 = 6,178.52 : x
  2. Step 2: Convert to fraction form
    11,105.24/16,663.30 = 6,178.52/x
  3. Step 3: Cross multiply
    11,105.24x = 16,663.30 × 6,178.52
  4. Step 4: Simplify right side
    11,105.24x = 102,954,532.32
  5. Step 5: Solve for x
    x = 102,954,532.32/11,105.24
  6. Step 6: Final answer
    x = 9,270.81

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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.