Home / 11,739.64-17,611.80-3,950.68

Finding the Fourth Proportional to 11,739.64, 17,611.80 and 3,950.68

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Solution

The fourth proportional to 11,739.64, 17,611.80 and 3,950.68 is: 5,926.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,739.64 : 17,611.80 = 3,950.68 : x
  2. Step 2: Convert to fraction form
    11,739.64/17,611.80 = 3,950.68/x
  3. Step 3: Cross multiply
    11,739.64x = 17,611.80 × 3,950.68
  4. Step 4: Simplify right side
    11,739.64x = 69,578,586.02
  5. Step 5: Solve for x
    x = 69,578,586.02/11,739.64
  6. Step 6: Final answer
    x = 5,926.81

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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.