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Finding the Fourth Proportional to 8,606.13, 11,863.89 and 6,083.79

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Solution

The fourth proportional to 8,606.13, 11,863.89 and 6,083.79 is: 8,386.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,606.13 : 11,863.89 = 6,083.79 : x
  2. Step 2: Convert to fraction form
    8,606.13/11,863.89 = 6,083.79/x
  3. Step 3: Cross multiply
    8,606.13x = 11,863.89 × 6,083.79
  4. Step 4: Simplify right side
    8,606.13x = 72,177,415.34
  5. Step 5: Solve for x
    x = 72,177,415.34/8,606.13
  6. Step 6: Final answer
    x = 8,386.74

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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.