Home / 11,739.36-17,609.12-3,948.16

Finding the Fourth Proportional to 11,739.36, 17,609.12 and 3,948.16

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Solution

The fourth proportional to 11,739.36, 17,609.12 and 3,948.16 is: 5,922.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,739.36 : 17,609.12 = 3,948.16 : x
  2. Step 2: Convert to fraction form
    11,739.36/17,609.12 = 3,948.16/x
  3. Step 3: Cross multiply
    11,739.36x = 17,609.12 × 3,948.16
  4. Step 4: Simplify right side
    11,739.36x = 69,523,623.22
  5. Step 5: Solve for x
    x = 69,523,623.22/11,739.36
  6. Step 6: Final answer
    x = 5,922.27

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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.