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Finding the Fourth Proportional to 11,554.99, 15,945.86 and 6,249.83

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Solution

The fourth proportional to 11,554.99, 15,945.86 and 6,249.83 is: 8,624.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,554.99 : 15,945.86 = 6,249.83 : x
  2. Step 2: Convert to fraction form
    11,554.99/15,945.86 = 6,249.83/x
  3. Step 3: Cross multiply
    11,554.99x = 15,945.86 × 6,249.83
  4. Step 4: Simplify right side
    11,554.99x = 99,658,850.10
  5. Step 5: Solve for x
    x = 99,658,850.10/11,554.99
  6. Step 6: Final answer
    x = 8,624.75

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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.