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Finding the Fourth Proportional to 8,586.60, 11,844.09 and 6,695.14

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Solution

The fourth proportional to 8,586.60, 11,844.09 and 6,695.14 is: 9,235.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,586.60 : 11,844.09 = 6,695.14 : x
  2. Step 2: Convert to fraction form
    8,586.60/11,844.09 = 6,695.14/x
  3. Step 3: Cross multiply
    8,586.60x = 11,844.09 × 6,695.14
  4. Step 4: Simplify right side
    8,586.60x = 79,297,840.72
  5. Step 5: Solve for x
    x = 79,297,840.72/8,586.60
  6. Step 6: Final answer
    x = 9,235.07

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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.