Home / 11,268.32-16,908.89-5,721.98

Finding the Fourth Proportional to 11,268.32, 16,908.89 and 5,721.98

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Solution

The fourth proportional to 11,268.32, 16,908.89 and 5,721.98 is: 8,586.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,268.32 : 16,908.89 = 5,721.98 : x
  2. Step 2: Convert to fraction form
    11,268.32/16,908.89 = 5,721.98/x
  3. Step 3: Cross multiply
    11,268.32x = 16,908.89 × 5,721.98
  4. Step 4: Simplify right side
    11,268.32x = 96,752,217.25
  5. Step 5: Solve for x
    x = 96,752,217.25/11,268.32
  6. Step 6: Final answer
    x = 8,586.22

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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.