Home / 10,872.29-16,308.43-2,664.29

Finding the Fourth Proportional to 10,872.29, 16,308.43 and 2,664.29

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Solution

The fourth proportional to 10,872.29, 16,308.43 and 2,664.29 is: 3,996.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,872.29 : 16,308.43 = 2,664.29 : x
  2. Step 2: Convert to fraction form
    10,872.29/16,308.43 = 2,664.29/x
  3. Step 3: Cross multiply
    10,872.29x = 16,308.43 × 2,664.29
  4. Step 4: Simplify right side
    10,872.29x = 43,450,421.08
  5. Step 5: Solve for x
    x = 43,450,421.08/10,872.29
  6. Step 6: Final answer
    x = 3,996.44

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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.