Home / 11,922.26-16,452.30-6,616.94

Finding the Fourth Proportional to 11,922.26, 16,452.30 and 6,616.94

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Solution

The fourth proportional to 11,922.26, 16,452.30 and 6,616.94 is: 9,131.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,922.26 : 16,452.30 = 6,616.94 : x
  2. Step 2: Convert to fraction form
    11,922.26/16,452.30 = 6,616.94/x
  3. Step 3: Cross multiply
    11,922.26x = 16,452.30 × 6,616.94
  4. Step 4: Simplify right side
    11,922.26x = 108,863,881.96
  5. Step 5: Solve for x
    x = 108,863,881.96/11,922.26
  6. Step 6: Final answer
    x = 9,131.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.