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Finding the Fourth Proportional to 8,586.15, 11,845.08 and 5,601.30

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Solution

The fourth proportional to 8,586.15, 11,845.08 and 5,601.30 is: 7,727.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,586.15 : 11,845.08 = 5,601.30 : x
  2. Step 2: Convert to fraction form
    8,586.15/11,845.08 = 5,601.30/x
  3. Step 3: Cross multiply
    8,586.15x = 11,845.08 × 5,601.30
  4. Step 4: Simplify right side
    8,586.15x = 66,347,846.60
  5. Step 5: Solve for x
    x = 66,347,846.60/8,586.15
  6. Step 6: Final answer
    x = 7,727.31

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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.