Home / 11,785.14-16,263.07-6,479.92

Finding the Fourth Proportional to 11,785.14, 16,263.07 and 6,479.92

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Solution

The fourth proportional to 11,785.14, 16,263.07 and 6,479.92 is: 8,942.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,785.14 : 16,263.07 = 6,479.92 : x
  2. Step 2: Convert to fraction form
    11,785.14/16,263.07 = 6,479.92/x
  3. Step 3: Cross multiply
    11,785.14x = 16,263.07 × 6,479.92
  4. Step 4: Simplify right side
    11,785.14x = 105,383,392.55
  5. Step 5: Solve for x
    x = 105,383,392.55/11,785.14
  6. Step 6: Final answer
    x = 8,942.06

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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.