Home / 11,738.04-16,198.56-7,021.14

Finding the Fourth Proportional to 11,738.04, 16,198.56 and 7,021.14

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Solution

The fourth proportional to 11,738.04, 16,198.56 and 7,021.14 is: 9,689.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,738.04 : 16,198.56 = 7,021.14 : x
  2. Step 2: Convert to fraction form
    11,738.04/16,198.56 = 7,021.14/x
  3. Step 3: Cross multiply
    11,738.04x = 16,198.56 × 7,021.14
  4. Step 4: Simplify right side
    11,738.04x = 113,732,357.56
  5. Step 5: Solve for x
    x = 113,732,357.56/11,738.04
  6. Step 6: Final answer
    x = 9,689.21

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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.