Home / 11,212.44-16,821.21-3,715.98

Finding the Fourth Proportional to 11,212.44, 16,821.21 and 3,715.98

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Solution

The fourth proportional to 11,212.44, 16,821.21 and 3,715.98 is: 5,574.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,212.44 : 16,821.21 = 3,715.98 : x
  2. Step 2: Convert to fraction form
    11,212.44/16,821.21 = 3,715.98/x
  3. Step 3: Cross multiply
    11,212.44x = 16,821.21 × 3,715.98
  4. Step 4: Simplify right side
    11,212.44x = 62,507,279.94
  5. Step 5: Solve for x
    x = 62,507,279.94/11,212.44
  6. Step 6: Final answer
    x = 5,574.82

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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.