Home / 11,269.98-16,905.78-3,477.78

Finding the Fourth Proportional to 11,269.98, 16,905.78 and 3,477.78

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Solution

The fourth proportional to 11,269.98, 16,905.78 and 3,477.78 is: 5,216.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,269.98 : 16,905.78 = 3,477.78 : x
  2. Step 2: Convert to fraction form
    11,269.98/16,905.78 = 3,477.78/x
  3. Step 3: Cross multiply
    11,269.98x = 16,905.78 × 3,477.78
  4. Step 4: Simplify right side
    11,269.98x = 58,794,583.57
  5. Step 5: Solve for x
    x = 58,794,583.57/11,269.98
  6. Step 6: Final answer
    x = 5,216.92

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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.