Home / 11,778.01-16,249.56-7,531.56

Finding the Fourth Proportional to 11,778.01, 16,249.56 and 7,531.56

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Solution

The fourth proportional to 11,778.01, 16,249.56 and 7,531.56 is: 10,390.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,778.01 : 16,249.56 = 7,531.56 : x
  2. Step 2: Convert to fraction form
    11,778.01/16,249.56 = 7,531.56/x
  3. Step 3: Cross multiply
    11,778.01x = 16,249.56 × 7,531.56
  4. Step 4: Simplify right side
    11,778.01x = 122,384,504.53
  5. Step 5: Solve for x
    x = 122,384,504.53/11,778.01
  6. Step 6: Final answer
    x = 10,390.93

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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.