Home / 11,863.08-16,376.58-7,672.68

Finding the Fourth Proportional to 11,863.08, 16,376.58 and 7,672.68

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Solution

The fourth proportional to 11,863.08, 16,376.58 and 7,672.68 is: 10,591.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,863.08 : 16,376.58 = 7,672.68 : x
  2. Step 2: Convert to fraction form
    11,863.08/16,376.58 = 7,672.68/x
  3. Step 3: Cross multiply
    11,863.08x = 16,376.58 × 7,672.68
  4. Step 4: Simplify right side
    11,863.08x = 125,652,257.83
  5. Step 5: Solve for x
    x = 125,652,257.83/11,863.08
  6. Step 6: Final answer
    x = 10,591.87

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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.