Home / 11,739.48-17,609.31-3,948.18

Finding the Fourth Proportional to 11,739.48, 17,609.31 and 3,948.18

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Solution

The fourth proportional to 11,739.48, 17,609.31 and 3,948.18 is: 5,922.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,739.48 : 17,609.31 = 3,948.18 : x
  2. Step 2: Convert to fraction form
    11,739.48/17,609.31 = 3,948.18/x
  3. Step 3: Cross multiply
    11,739.48x = 17,609.31 × 3,948.18
  4. Step 4: Simplify right side
    11,739.48x = 69,524,725.56
  5. Step 5: Solve for x
    x = 69,524,725.56/11,739.48
  6. Step 6: Final answer
    x = 5,922.30

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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.