Home / 11,579.69-17,369.48-2,814.62

Finding the Fourth Proportional to 11,579.69, 17,369.48 and 2,814.62

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Solution

The fourth proportional to 11,579.69, 17,369.48 and 2,814.62 is: 4,221.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,579.69 : 17,369.48 = 2,814.62 : x
  2. Step 2: Convert to fraction form
    11,579.69/17,369.48 = 2,814.62/x
  3. Step 3: Cross multiply
    11,579.69x = 17,369.48 × 2,814.62
  4. Step 4: Simplify right side
    11,579.69x = 48,888,384.88
  5. Step 5: Solve for x
    x = 48,888,384.88/11,579.69
  6. Step 6: Final answer
    x = 4,221.91

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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.