Home / 7,893.16-11,842.08-2,628.85

Finding the Fourth Proportional to 7,893.16, 11,842.08 and 2,628.85

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Solution

The fourth proportional to 7,893.16, 11,842.08 and 2,628.85 is: 3,944.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,893.16 : 11,842.08 = 2,628.85 : x
  2. Step 2: Convert to fraction form
    7,893.16/11,842.08 = 2,628.85/x
  3. Step 3: Cross multiply
    7,893.16x = 11,842.08 × 2,628.85
  4. Step 4: Simplify right side
    7,893.16x = 31,131,052.01
  5. Step 5: Solve for x
    x = 31,131,052.01/7,893.16
  6. Step 6: Final answer
    x = 3,944.05

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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.