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Finding the Fourth Proportional to 8,617.03, 11,896.23 and 5,214.68

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Solution

The fourth proportional to 8,617.03, 11,896.23 and 5,214.68 is: 7,199.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,617.03 : 11,896.23 = 5,214.68 : x
  2. Step 2: Convert to fraction form
    8,617.03/11,896.23 = 5,214.68/x
  3. Step 3: Cross multiply
    8,617.03x = 11,896.23 × 5,214.68
  4. Step 4: Simplify right side
    8,617.03x = 62,034,992.73
  5. Step 5: Solve for x
    x = 62,034,992.73/8,617.03
  6. Step 6: Final answer
    x = 7,199.12

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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.