Home / 7,403.13-11,107.80-2,723.63

Finding the Fourth Proportional to 7,403.13, 11,107.80 and 2,723.63

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Solution

The fourth proportional to 7,403.13, 11,107.80 and 2,723.63 is: 4,086.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,403.13 : 11,107.80 = 2,723.63 : x
  2. Step 2: Convert to fraction form
    7,403.13/11,107.80 = 2,723.63/x
  3. Step 3: Cross multiply
    7,403.13x = 11,107.80 × 2,723.63
  4. Step 4: Simplify right side
    7,403.13x = 30,253,481.78
  5. Step 5: Solve for x
    x = 30,253,481.78/7,403.13
  6. Step 6: Final answer
    x = 4,086.58

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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.