Home / 11,224.29-16,836.59-5,379.53

Finding the Fourth Proportional to 11,224.29, 16,836.59 and 5,379.53

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Solution

The fourth proportional to 11,224.29, 16,836.59 and 5,379.53 is: 8,069.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,224.29 : 16,836.59 = 5,379.53 : x
  2. Step 2: Convert to fraction form
    11,224.29/16,836.59 = 5,379.53/x
  3. Step 3: Cross multiply
    11,224.29x = 16,836.59 × 5,379.53
  4. Step 4: Simplify right side
    11,224.29x = 90,572,964.97
  5. Step 5: Solve for x
    x = 90,572,964.97/11,224.29
  6. Step 6: Final answer
    x = 8,069.37

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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.