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Finding the Fourth Proportional to 8,585.89, 11,850.05 and 6,234.87

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Solution

The fourth proportional to 8,585.89, 11,850.05 and 6,234.87 is: 8,605.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,585.89 : 11,850.05 = 6,234.87 : x
  2. Step 2: Convert to fraction form
    8,585.89/11,850.05 = 6,234.87/x
  3. Step 3: Cross multiply
    8,585.89x = 11,850.05 × 6,234.87
  4. Step 4: Simplify right side
    8,585.89x = 73,883,521.24
  5. Step 5: Solve for x
    x = 73,883,521.24/8,585.89
  6. Step 6: Final answer
    x = 8,605.23

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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.