Home / 11,579.64-17,369.33-2,814.57

Finding the Fourth Proportional to 11,579.64, 17,369.33 and 2,814.57

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Solution

The fourth proportional to 11,579.64, 17,369.33 and 2,814.57 is: 4,221.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,579.64 : 17,369.33 = 2,814.57 : x
  2. Step 2: Convert to fraction form
    11,579.64/17,369.33 = 2,814.57/x
  3. Step 3: Cross multiply
    11,579.64x = 17,369.33 × 2,814.57
  4. Step 4: Simplify right side
    11,579.64x = 48,887,181.07
  5. Step 5: Solve for x
    x = 48,887,181.07/11,579.64
  6. Step 6: Final answer
    x = 4,221.82

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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.