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Finding the Fourth Proportional to 8,355.06, 11,503.74 and 7,093.48

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Solution

The fourth proportional to 8,355.06, 11,503.74 and 7,093.48 is: 9,766.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,355.06 : 11,503.74 = 7,093.48 : x
  2. Step 2: Convert to fraction form
    8,355.06/11,503.74 = 7,093.48/x
  3. Step 3: Cross multiply
    8,355.06x = 11,503.74 × 7,093.48
  4. Step 4: Simplify right side
    8,355.06x = 81,601,549.62
  5. Step 5: Solve for x
    x = 81,601,549.62/8,355.06
  6. Step 6: Final answer
    x = 9,766.72

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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.