Home / 11,984.85-17,990.06-7,833.19

Finding the Fourth Proportional to 11,984.85, 17,990.06 and 7,833.19

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Solution

The fourth proportional to 11,984.85, 17,990.06 and 7,833.19 is: 11,758.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,984.85 : 17,990.06 = 7,833.19 : x
  2. Step 2: Convert to fraction form
    11,984.85/17,990.06 = 7,833.19/x
  3. Step 3: Cross multiply
    11,984.85x = 17,990.06 × 7,833.19
  4. Step 4: Simplify right side
    11,984.85x = 140,919,558.09
  5. Step 5: Solve for x
    x = 140,919,558.09/11,984.85
  6. Step 6: Final answer
    x = 11,758.14

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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.