Home / 7,917.30-11,876.70-2,073.96

Finding the Fourth Proportional to 7,917.30, 11,876.70 and 2,073.96

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Solution

The fourth proportional to 7,917.30, 11,876.70 and 2,073.96 is: 3,111.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,917.30 : 11,876.70 = 2,073.96 : x
  2. Step 2: Convert to fraction form
    7,917.30/11,876.70 = 2,073.96/x
  3. Step 3: Cross multiply
    7,917.30x = 11,876.70 × 2,073.96
  4. Step 4: Simplify right side
    7,917.30x = 24,631,800.73
  5. Step 5: Solve for x
    x = 24,631,800.73/7,917.30
  6. Step 6: Final answer
    x = 3,111.14

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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.