Home / 11,013.44-16,518.06-3,115.89

Finding the Fourth Proportional to 11,013.44, 16,518.06 and 3,115.89

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Solution

The fourth proportional to 11,013.44, 16,518.06 and 3,115.89 is: 4,673.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,013.44 : 16,518.06 = 3,115.89 : x
  2. Step 2: Convert to fraction form
    11,013.44/16,518.06 = 3,115.89/x
  3. Step 3: Cross multiply
    11,013.44x = 16,518.06 × 3,115.89
  4. Step 4: Simplify right side
    11,013.44x = 51,468,457.97
  5. Step 5: Solve for x
    x = 51,468,457.97/11,013.44
  6. Step 6: Final answer
    x = 4,673.24

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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.