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Finding the Fourth Proportional to 7,386.62, 11,063.64 and 6,105.62

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Solution

The fourth proportional to 7,386.62, 11,063.64 and 6,105.62 is: 9,144.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,386.62 : 11,063.64 = 6,105.62 : x
  2. Step 2: Convert to fraction form
    7,386.62/11,063.64 = 6,105.62/x
  3. Step 3: Cross multiply
    7,386.62x = 11,063.64 × 6,105.62
  4. Step 4: Simplify right side
    7,386.62x = 67,550,375.34
  5. Step 5: Solve for x
    x = 67,550,375.34/7,386.62
  6. Step 6: Final answer
    x = 9,144.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.