Home / 11,579.94-17,369.85-2,814.87

Finding the Fourth Proportional to 11,579.94, 17,369.85 and 2,814.87

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Solution

The fourth proportional to 11,579.94, 17,369.85 and 2,814.87 is: 4,222.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,579.94 : 17,369.85 = 2,814.87 : x
  2. Step 2: Convert to fraction form
    11,579.94/17,369.85 = 2,814.87/x
  3. Step 3: Cross multiply
    11,579.94x = 17,369.85 × 2,814.87
  4. Step 4: Simplify right side
    11,579.94x = 48,893,869.67
  5. Step 5: Solve for x
    x = 48,893,869.67/11,579.94
  6. Step 6: Final answer
    x = 4,222.29

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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.