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Finding the Fourth Proportional to 8,394.53, 11,579.64 and 5,036.27

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Solution

The fourth proportional to 8,394.53, 11,579.64 and 5,036.27 is: 6,947.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,394.53 : 11,579.64 = 5,036.27 : x
  2. Step 2: Convert to fraction form
    8,394.53/11,579.64 = 5,036.27/x
  3. Step 3: Cross multiply
    8,394.53x = 11,579.64 × 5,036.27
  4. Step 4: Simplify right side
    8,394.53x = 58,318,193.54
  5. Step 5: Solve for x
    x = 58,318,193.54/8,394.53
  6. Step 6: Final answer
    x = 6,947.17

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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.