Home / 11,922.04-16,452.45-6,616.87

Finding the Fourth Proportional to 11,922.04, 16,452.45 and 6,616.87

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Solution

The fourth proportional to 11,922.04, 16,452.45 and 6,616.87 is: 9,131.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,922.04 : 16,452.45 = 6,616.87 : x
  2. Step 2: Convert to fraction form
    11,922.04/16,452.45 = 6,616.87/x
  3. Step 3: Cross multiply
    11,922.04x = 16,452.45 × 6,616.87
  4. Step 4: Simplify right side
    11,922.04x = 108,863,722.83
  5. Step 5: Solve for x
    x = 108,863,722.83/11,922.04
  6. Step 6: Final answer
    x = 9,131.30

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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.