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Finding the Fourth Proportional to 6,789.04, 9,369.14 and 4,134.57

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Solution

The fourth proportional to 6,789.04, 9,369.14 and 4,134.57 is: 5,705.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,789.04 : 9,369.14 = 4,134.57 : x
  2. Step 2: Convert to fraction form
    6,789.04/9,369.14 = 4,134.57/x
  3. Step 3: Cross multiply
    6,789.04x = 9,369.14 × 4,134.57
  4. Step 4: Simplify right side
    6,789.04x = 38,737,309.36
  5. Step 5: Solve for x
    x = 38,737,309.36/6,789.04
  6. Step 6: Final answer
    x = 5,705.86

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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.