Home / 10,986.37-15,161.22-5,950.57

Finding the Fourth Proportional to 10,986.37, 15,161.22 and 5,950.57

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Solution

The fourth proportional to 10,986.37, 15,161.22 and 5,950.57 is: 8,211.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,986.37 : 15,161.22 = 5,950.57 : x
  2. Step 2: Convert to fraction form
    10,986.37/15,161.22 = 5,950.57/x
  3. Step 3: Cross multiply
    10,986.37x = 15,161.22 × 5,950.57
  4. Step 4: Simplify right side
    10,986.37x = 90,217,891.42
  5. Step 5: Solve for x
    x = 90,217,891.42/10,986.37
  6. Step 6: Final answer
    x = 8,211.80

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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.