Home / 11,268.42-16,905.39-3,872.98

Finding the Fourth Proportional to 11,268.42, 16,905.39 and 3,872.98

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Solution

The fourth proportional to 11,268.42, 16,905.39 and 3,872.98 is: 5,810.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,268.42 : 16,905.39 = 3,872.98 : x
  2. Step 2: Convert to fraction form
    11,268.42/16,905.39 = 3,872.98/x
  3. Step 3: Cross multiply
    11,268.42x = 16,905.39 × 3,872.98
  4. Step 4: Simplify right side
    11,268.42x = 65,474,237.36
  5. Step 5: Solve for x
    x = 65,474,237.36/11,268.42
  6. Step 6: Final answer
    x = 5,810.42

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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.