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Finding the Fourth Proportional to 8,333.73, 11,509.16 and 7,209.27

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Solution

The fourth proportional to 8,333.73, 11,509.16 and 7,209.27 is: 9,956.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,333.73 : 11,509.16 = 7,209.27 : x
  2. Step 2: Convert to fraction form
    8,333.73/11,509.16 = 7,209.27/x
  3. Step 3: Cross multiply
    8,333.73x = 11,509.16 × 7,209.27
  4. Step 4: Simplify right side
    8,333.73x = 82,972,605.87
  5. Step 5: Solve for x
    x = 82,972,605.87/8,333.73
  6. Step 6: Final answer
    x = 9,956.24

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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.