Home / 11,786.18-16,263.59-6,480.68

Finding the Fourth Proportional to 11,786.18, 16,263.59 and 6,480.68

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Solution

The fourth proportional to 11,786.18, 16,263.59 and 6,480.68 is: 8,942.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,786.18 : 16,263.59 = 6,480.68 : x
  2. Step 2: Convert to fraction form
    11,786.18/16,263.59 = 6,480.68/x
  3. Step 3: Cross multiply
    11,786.18x = 16,263.59 × 6,480.68
  4. Step 4: Simplify right side
    11,786.18x = 105,399,008.72
  5. Step 5: Solve for x
    x = 105,399,008.72/11,786.18
  6. Step 6: Final answer
    x = 8,942.60

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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.