Home / 11,861.82-16,369.14-6,556.52

Finding the Fourth Proportional to 11,861.82, 16,369.14 and 6,556.52

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Solution

The fourth proportional to 11,861.82, 16,369.14 and 6,556.52 is: 9,047.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,861.82 : 16,369.14 = 6,556.52 : x
  2. Step 2: Convert to fraction form
    11,861.82/16,369.14 = 6,556.52/x
  3. Step 3: Cross multiply
    11,861.82x = 16,369.14 × 6,556.52
  4. Step 4: Simplify right side
    11,861.82x = 107,324,561.01
  5. Step 5: Solve for x
    x = 107,324,561.01/11,861.82
  6. Step 6: Final answer
    x = 9,047.90

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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.