Home / 11,974.42-16,518.36-7,995.70

Finding the Fourth Proportional to 11,974.42, 16,518.36 and 7,995.70

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Solution

The fourth proportional to 11,974.42, 16,518.36 and 7,995.70 is: 11,029.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,974.42 : 16,518.36 = 7,995.70 : x
  2. Step 2: Convert to fraction form
    11,974.42/16,518.36 = 7,995.70/x
  3. Step 3: Cross multiply
    11,974.42x = 16,518.36 × 7,995.70
  4. Step 4: Simplify right side
    11,974.42x = 132,075,851.05
  5. Step 5: Solve for x
    x = 132,075,851.05/11,974.42
  6. Step 6: Final answer
    x = 11,029.83

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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.