Home / 11,405.23-17,107.92-3,507.66

Finding the Fourth Proportional to 11,405.23, 17,107.92 and 3,507.66

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Solution

The fourth proportional to 11,405.23, 17,107.92 and 3,507.66 is: 5,261.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,405.23 : 17,107.92 = 3,507.66 : x
  2. Step 2: Convert to fraction form
    11,405.23/17,107.92 = 3,507.66/x
  3. Step 3: Cross multiply
    11,405.23x = 17,107.92 × 3,507.66
  4. Step 4: Simplify right side
    11,405.23x = 60,008,766.67
  5. Step 5: Solve for x
    x = 60,008,766.67/11,405.23
  6. Step 6: Final answer
    x = 5,261.51

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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.