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Finding the Fourth Proportional to 11,326.91, 16,914.08 and 9,251.03

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Solution

The fourth proportional to 11,326.91, 16,914.08 and 9,251.03 is: 13,814.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,326.91 : 16,914.08 = 9,251.03 : x
  2. Step 2: Convert to fraction form
    11,326.91/16,914.08 = 9,251.03/x
  3. Step 3: Cross multiply
    11,326.91x = 16,914.08 × 9,251.03
  4. Step 4: Simplify right side
    11,326.91x = 156,472,674.88
  5. Step 5: Solve for x
    x = 156,472,674.88/11,326.91
  6. Step 6: Final answer
    x = 13,814.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.