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Finding the Fourth Proportional to 8,693.29, 11,994.73 and 5,865.91

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Solution

The fourth proportional to 8,693.29, 11,994.73 and 5,865.91 is: 8,093.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,693.29 : 11,994.73 = 5,865.91 : x
  2. Step 2: Convert to fraction form
    8,693.29/11,994.73 = 5,865.91/x
  3. Step 3: Cross multiply
    8,693.29x = 11,994.73 × 5,865.91
  4. Step 4: Simplify right side
    8,693.29x = 70,360,006.65
  5. Step 5: Solve for x
    x = 70,360,006.65/8,693.29
  6. Step 6: Final answer
    x = 8,093.60

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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.