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Finding the Fourth Proportional to 11,313.29, 16,938.27 and 8,531.26

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Solution

The fourth proportional to 11,313.29, 16,938.27 and 8,531.26 is: 12,773.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,313.29 : 16,938.27 = 8,531.26 : x
  2. Step 2: Convert to fraction form
    11,313.29/16,938.27 = 8,531.26/x
  3. Step 3: Cross multiply
    11,313.29x = 16,938.27 × 8,531.26
  4. Step 4: Simplify right side
    11,313.29x = 144,504,785.32
  5. Step 5: Solve for x
    x = 144,504,785.32/11,313.29
  6. Step 6: Final answer
    x = 12,773.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.