Home / 11,845.11-16,342.10-7,063.83

Finding the Fourth Proportional to 11,845.11, 16,342.10 and 7,063.83

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Solution

The fourth proportional to 11,845.11, 16,342.10 and 7,063.83 is: 9,745.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,845.11 : 16,342.10 = 7,063.83 : x
  2. Step 2: Convert to fraction form
    11,845.11/16,342.10 = 7,063.83/x
  3. Step 3: Cross multiply
    11,845.11x = 16,342.10 × 7,063.83
  4. Step 4: Simplify right side
    11,845.11x = 115,437,780.92
  5. Step 5: Solve for x
    x = 115,437,780.92/11,845.11
  6. Step 6: Final answer
    x = 9,745.61

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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.