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Finding the Fourth Proportional to 9,373.82, 12,936.26 and 5,394.96

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Solution

The fourth proportional to 9,373.82, 12,936.26 and 5,394.96 is: 7,445.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,373.82 : 12,936.26 = 5,394.96 : x
  2. Step 2: Convert to fraction form
    9,373.82/12,936.26 = 5,394.96/x
  3. Step 3: Cross multiply
    9,373.82x = 12,936.26 × 5,394.96
  4. Step 4: Simplify right side
    9,373.82x = 69,790,618.74
  5. Step 5: Solve for x
    x = 69,790,618.74/9,373.82
  6. Step 6: Final answer
    x = 7,445.27

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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.