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Finding the Fourth Proportional to 8,355.34, 11,504.07 and 7,093.90

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Solution

The fourth proportional to 8,355.34, 11,504.07 and 7,093.90 is: 9,767.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,355.34 : 11,504.07 = 7,093.90 : x
  2. Step 2: Convert to fraction form
    8,355.34/11,504.07 = 7,093.90/x
  3. Step 3: Cross multiply
    8,355.34x = 11,504.07 × 7,093.90
  4. Step 4: Simplify right side
    8,355.34x = 81,608,722.17
  5. Step 5: Solve for x
    x = 81,608,722.17/8,355.34
  6. Step 6: Final answer
    x = 9,767.25

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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.