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Finding the Fourth Proportional to 11,191.68, 15,446.03 and 6,476.27

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Solution

The fourth proportional to 11,191.68, 15,446.03 and 6,476.27 is: 8,938.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,191.68 : 15,446.03 = 6,476.27 : x
  2. Step 2: Convert to fraction form
    11,191.68/15,446.03 = 6,476.27/x
  3. Step 3: Cross multiply
    11,191.68x = 15,446.03 × 6,476.27
  4. Step 4: Simplify right side
    11,191.68x = 100,032,551.10
  5. Step 5: Solve for x
    x = 100,032,551.10/11,191.68
  6. Step 6: Final answer
    x = 8,938.12

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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.