Home / 11,640.12-16,050.96-8,651.04

Finding the Fourth Proportional to 11,640.12, 16,050.96 and 8,651.04

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Solution

The fourth proportional to 11,640.12, 16,050.96 and 8,651.04 is: 11,929.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,640.12 : 16,050.96 = 8,651.04 : x
  2. Step 2: Convert to fraction form
    11,640.12/16,050.96 = 8,651.04/x
  3. Step 3: Cross multiply
    11,640.12x = 16,050.96 × 8,651.04
  4. Step 4: Simplify right side
    11,640.12x = 138,857,497.00
  5. Step 5: Solve for x
    x = 138,857,497.00/11,640.12
  6. Step 6: Final answer
    x = 11,929.22

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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.