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Finding the Fourth Proportional to 8,454.17, 11,659.67 and 6,334.67

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Solution

The fourth proportional to 8,454.17, 11,659.67 and 6,334.67 is: 8,736.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,454.17 : 11,659.67 = 6,334.67 : x
  2. Step 2: Convert to fraction form
    8,454.17/11,659.67 = 6,334.67/x
  3. Step 3: Cross multiply
    8,454.17x = 11,659.67 × 6,334.67
  4. Step 4: Simplify right side
    8,454.17x = 73,860,130.09
  5. Step 5: Solve for x
    x = 73,860,130.09/8,454.17
  6. Step 6: Final answer
    x = 8,736.54

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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.