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Finding the Fourth Proportional to 9,336.69, 12,884.67 and 5,144.94

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Solution

The fourth proportional to 9,336.69, 12,884.67 and 5,144.94 is: 7,100.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,336.69 : 12,884.67 = 5,144.94 : x
  2. Step 2: Convert to fraction form
    9,336.69/12,884.67 = 5,144.94/x
  3. Step 3: Cross multiply
    9,336.69x = 12,884.67 × 5,144.94
  4. Step 4: Simplify right side
    9,336.69x = 66,290,854.07
  5. Step 5: Solve for x
    x = 66,290,854.07/9,336.69
  6. Step 6: Final answer
    x = 7,100.04

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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.