Home / 11,269.77-16,905.64-2,949.75

Finding the Fourth Proportional to 11,269.77, 16,905.64 and 2,949.75

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Solution

The fourth proportional to 11,269.77, 16,905.64 and 2,949.75 is: 4,424.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,269.77 : 16,905.64 = 2,949.75 : x
  2. Step 2: Convert to fraction form
    11,269.77/16,905.64 = 2,949.75/x
  3. Step 3: Cross multiply
    11,269.77x = 16,905.64 × 2,949.75
  4. Step 4: Simplify right side
    11,269.77x = 49,867,411.59
  5. Step 5: Solve for x
    x = 49,867,411.59/11,269.77
  6. Step 6: Final answer
    x = 4,424.88

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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.