Home / 7,932.96-11,899.32-2,738.88

Finding the Fourth Proportional to 7,932.96, 11,899.32 and 2,738.88

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Solution

The fourth proportional to 7,932.96, 11,899.32 and 2,738.88 is: 4,108.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,932.96 : 11,899.32 = 2,738.88 : x
  2. Step 2: Convert to fraction form
    7,932.96/11,899.32 = 2,738.88/x
  3. Step 3: Cross multiply
    7,932.96x = 11,899.32 × 2,738.88
  4. Step 4: Simplify right side
    7,932.96x = 32,590,809.56
  5. Step 5: Solve for x
    x = 32,590,809.56/7,932.96
  6. Step 6: Final answer
    x = 4,108.28

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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.