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Finding the Fourth Proportional to 8,601.48, 11,857.86 and 6,735.24

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Solution

The fourth proportional to 8,601.48, 11,857.86 and 6,735.24 is: 9,285.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,601.48 : 11,857.86 = 6,735.24 : x
  2. Step 2: Convert to fraction form
    8,601.48/11,857.86 = 6,735.24/x
  3. Step 3: Cross multiply
    8,601.48x = 11,857.86 × 6,735.24
  4. Step 4: Simplify right side
    8,601.48x = 79,865,532.99
  5. Step 5: Solve for x
    x = 79,865,532.99/8,601.48
  6. Step 6: Final answer
    x = 9,285.09

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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.