Home / 11,579.45-17,369.12-2,814.35

Finding the Fourth Proportional to 11,579.45, 17,369.12 and 2,814.35

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Solution

The fourth proportional to 11,579.45, 17,369.12 and 2,814.35 is: 4,221.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,579.45 : 17,369.12 = 2,814.35 : x
  2. Step 2: Convert to fraction form
    11,579.45/17,369.12 = 2,814.35/x
  3. Step 3: Cross multiply
    11,579.45x = 17,369.12 × 2,814.35
  4. Step 4: Simplify right side
    11,579.45x = 48,882,833.33
  5. Step 5: Solve for x
    x = 48,882,833.33/11,579.45
  6. Step 6: Final answer
    x = 4,221.52

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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.