Home / 11,274.67-16,908.29-3,878.96

Finding the Fourth Proportional to 11,274.67, 16,908.29 and 3,878.96

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Solution

The fourth proportional to 11,274.67, 16,908.29 and 3,878.96 is: 5,817.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,274.67 : 16,908.29 = 3,878.96 : x
  2. Step 2: Convert to fraction form
    11,274.67/16,908.29 = 3,878.96/x
  3. Step 3: Cross multiply
    11,274.67x = 16,908.29 × 3,878.96
  4. Step 4: Simplify right side
    11,274.67x = 65,586,561.18
  5. Step 5: Solve for x
    x = 65,586,561.18/11,274.67
  6. Step 6: Final answer
    x = 5,817.16

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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.