Home / 11,739.53-17,609.58-3,948.35

Finding the Fourth Proportional to 11,739.53, 17,609.58 and 3,948.35

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Solution

The fourth proportional to 11,739.53, 17,609.58 and 3,948.35 is: 5,922.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,739.53 : 17,609.58 = 3,948.35 : x
  2. Step 2: Convert to fraction form
    11,739.53/17,609.58 = 3,948.35/x
  3. Step 3: Cross multiply
    11,739.53x = 17,609.58 × 3,948.35
  4. Step 4: Simplify right side
    11,739.53x = 69,528,697.15
  5. Step 5: Solve for x
    x = 69,528,697.15/11,739.53
  6. Step 6: Final answer
    x = 5,922.61

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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.