Home / 12,080.18-16,782.26-11,972.04

Finding the Fourth Proportional to 12,080.18, 16,782.26 and 11,972.04

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Solution

The fourth proportional to 12,080.18, 16,782.26 and 11,972.04 is: 16,632.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,080.18 : 16,782.26 = 11,972.04 : x
  2. Step 2: Convert to fraction form
    12,080.18/16,782.26 = 11,972.04/x
  3. Step 3: Cross multiply
    12,080.18x = 16,782.26 × 11,972.04
  4. Step 4: Simplify right side
    12,080.18x = 200,917,888.01
  5. Step 5: Solve for x
    x = 200,917,888.01/12,080.18
  6. Step 6: Final answer
    x = 16,632.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.