Home / 11,975.04-16,524.31-7,375.09

Finding the Fourth Proportional to 11,975.04, 16,524.31 and 7,375.09

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Solution

The fourth proportional to 11,975.04, 16,524.31 and 7,375.09 is: 10,176.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,975.04 : 16,524.31 = 7,375.09 : x
  2. Step 2: Convert to fraction form
    11,975.04/16,524.31 = 7,375.09/x
  3. Step 3: Cross multiply
    11,975.04x = 16,524.31 × 7,375.09
  4. Step 4: Simplify right side
    11,975.04x = 121,868,190.82
  5. Step 5: Solve for x
    x = 121,868,190.82/11,975.04
  6. Step 6: Final answer
    x = 10,176.85

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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.