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Finding the Fourth Proportional to 8,010.83, 12,004.65 and 7,310.39

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Solution

The fourth proportional to 8,010.83, 12,004.65 and 7,310.39 is: 10,954.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,010.83 : 12,004.65 = 7,310.39 : x
  2. Step 2: Convert to fraction form
    8,010.83/12,004.65 = 7,310.39/x
  3. Step 3: Cross multiply
    8,010.83x = 12,004.65 × 7,310.39
  4. Step 4: Simplify right side
    8,010.83x = 87,758,613.29
  5. Step 5: Solve for x
    x = 87,758,613.29/8,010.83
  6. Step 6: Final answer
    x = 10,954.99

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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.