Home / 11,896.26-16,416.95-7,179.63

Finding the Fourth Proportional to 11,896.26, 16,416.95 and 7,179.63

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Solution

The fourth proportional to 11,896.26, 16,416.95 and 7,179.63 is: 9,907.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,896.26 : 16,416.95 = 7,179.63 : x
  2. Step 2: Convert to fraction form
    11,896.26/16,416.95 = 7,179.63/x
  3. Step 3: Cross multiply
    11,896.26x = 16,416.95 × 7,179.63
  4. Step 4: Simplify right side
    11,896.26x = 117,867,626.73
  5. Step 5: Solve for x
    x = 117,867,626.73/11,896.26
  6. Step 6: Final answer
    x = 9,907.96

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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.