Home / 7,990.91-11,986.26-2,444.43

Finding the Fourth Proportional to 7,990.91, 11,986.26 and 2,444.43

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Solution

The fourth proportional to 7,990.91, 11,986.26 and 2,444.43 is: 3,666.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,990.91 : 11,986.26 = 2,444.43 : x
  2. Step 2: Convert to fraction form
    7,990.91/11,986.26 = 2,444.43/x
  3. Step 3: Cross multiply
    7,990.91x = 11,986.26 × 2,444.43
  4. Step 4: Simplify right side
    7,990.91x = 29,299,573.53
  5. Step 5: Solve for x
    x = 29,299,573.53/7,990.91
  6. Step 6: Final answer
    x = 3,666.61

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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.