Home / 11,439.24-17,158.86-3,231.24

Finding the Fourth Proportional to 11,439.24, 17,158.86 and 3,231.24

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Solution

The fourth proportional to 11,439.24, 17,158.86 and 3,231.24 is: 4,846.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,439.24 : 17,158.86 = 3,231.24 : x
  2. Step 2: Convert to fraction form
    11,439.24/17,158.86 = 3,231.24/x
  3. Step 3: Cross multiply
    11,439.24x = 17,158.86 × 3,231.24
  4. Step 4: Simplify right side
    11,439.24x = 55,444,394.79
  5. Step 5: Solve for x
    x = 55,444,394.79/11,439.24
  6. Step 6: Final answer
    x = 4,846.86

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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.