Home / 7,917.15-11,875.83-2,369.22

Finding the Fourth Proportional to 7,917.15, 11,875.83 and 2,369.22

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Solution

The fourth proportional to 7,917.15, 11,875.83 and 2,369.22 is: 3,553.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,917.15 : 11,875.83 = 2,369.22 : x
  2. Step 2: Convert to fraction form
    7,917.15/11,875.83 = 2,369.22/x
  3. Step 3: Cross multiply
    7,917.15x = 11,875.83 × 2,369.22
  4. Step 4: Simplify right side
    7,917.15x = 28,136,453.95
  5. Step 5: Solve for x
    x = 28,136,453.95/7,917.15
  6. Step 6: Final answer
    x = 3,553.86

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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.