Home / 11,738.11-16,198.64-6,360.56

Finding the Fourth Proportional to 11,738.11, 16,198.64 and 6,360.56

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Solution

The fourth proportional to 11,738.11, 16,198.64 and 6,360.56 is: 8,777.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,738.11 : 16,198.64 = 6,360.56 : x
  2. Step 2: Convert to fraction form
    11,738.11/16,198.64 = 6,360.56/x
  3. Step 3: Cross multiply
    11,738.11x = 16,198.64 × 6,360.56
  4. Step 4: Simplify right side
    11,738.11x = 103,032,421.64
  5. Step 5: Solve for x
    x = 103,032,421.64/11,738.11
  6. Step 6: Final answer
    x = 8,777.60

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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.