Home / 11,424.87-17,133.63-3,631.86

Finding the Fourth Proportional to 11,424.87, 17,133.63 and 3,631.86

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Solution

The fourth proportional to 11,424.87, 17,133.63 and 3,631.86 is: 5,446.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,424.87 : 17,133.63 = 3,631.86 : x
  2. Step 2: Convert to fraction form
    11,424.87/17,133.63 = 3,631.86/x
  3. Step 3: Cross multiply
    11,424.87x = 17,133.63 × 3,631.86
  4. Step 4: Simplify right side
    11,424.87x = 62,226,945.45
  5. Step 5: Solve for x
    x = 62,226,945.45/11,424.87
  6. Step 6: Final answer
    x = 5,446.62

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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.