Home / 11,727.93-17,604.05-7,859.37

Finding the Fourth Proportional to 11,727.93, 17,604.05 and 7,859.37

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Solution

The fourth proportional to 11,727.93, 17,604.05 and 7,859.37 is: 11,797.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,727.93 : 17,604.05 = 7,859.37 : x
  2. Step 2: Convert to fraction form
    11,727.93/17,604.05 = 7,859.37/x
  3. Step 3: Cross multiply
    11,727.93x = 17,604.05 × 7,859.37
  4. Step 4: Simplify right side
    11,727.93x = 138,356,703.15
  5. Step 5: Solve for x
    x = 138,356,703.15/11,727.93
  6. Step 6: Final answer
    x = 11,797.20

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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.