Home / 7,910.15-11,864.82-2,363.54

Finding the Fourth Proportional to 7,910.15, 11,864.82 and 2,363.54

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Solution

The fourth proportional to 7,910.15, 11,864.82 and 2,363.54 is: 3,545.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,910.15 : 11,864.82 = 2,363.54 : x
  2. Step 2: Convert to fraction form
    7,910.15/11,864.82 = 2,363.54/x
  3. Step 3: Cross multiply
    7,910.15x = 11,864.82 × 2,363.54
  4. Step 4: Simplify right side
    7,910.15x = 28,042,976.66
  5. Step 5: Solve for x
    x = 28,042,976.66/7,910.15
  6. Step 6: Final answer
    x = 3,545.19

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1.5x scale

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.