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Finding the Fourth Proportional to 11,774.99, 16,249.44 and 6,739.19

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Solution

The fourth proportional to 11,774.99, 16,249.44 and 6,739.19 is: 9,300.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,774.99 : 16,249.44 = 6,739.19 : x
  2. Step 2: Convert to fraction form
    11,774.99/16,249.44 = 6,739.19/x
  3. Step 3: Cross multiply
    11,774.99x = 16,249.44 × 6,739.19
  4. Step 4: Simplify right side
    11,774.99x = 109,508,063.55
  5. Step 5: Solve for x
    x = 109,508,063.55/11,774.99
  6. Step 6: Final answer
    x = 9,300.06

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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.