Home / 11,222.29-16,827.54-4,979.60

Finding the Fourth Proportional to 11,222.29, 16,827.54 and 4,979.60

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Solution

The fourth proportional to 11,222.29, 16,827.54 and 4,979.60 is: 7,466.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,222.29 : 16,827.54 = 4,979.60 : x
  2. Step 2: Convert to fraction form
    11,222.29/16,827.54 = 4,979.60/x
  3. Step 3: Cross multiply
    11,222.29x = 16,827.54 × 4,979.60
  4. Step 4: Simplify right side
    11,222.29x = 83,794,418.18
  5. Step 5: Solve for x
    x = 83,794,418.18/11,222.29
  6. Step 6: Final answer
    x = 7,466.78

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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.