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Finding the Fourth Proportional to 8,393.09, 11,584.20 and 5,324.95

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Solution

The fourth proportional to 8,393.09, 11,584.20 and 5,324.95 is: 7,349.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,393.09 : 11,584.20 = 5,324.95 : x
  2. Step 2: Convert to fraction form
    8,393.09/11,584.20 = 5,324.95/x
  3. Step 3: Cross multiply
    8,393.09x = 11,584.20 × 5,324.95
  4. Step 4: Simplify right side
    8,393.09x = 61,685,320.24
  5. Step 5: Solve for x
    x = 61,685,320.24/8,393.09
  6. Step 6: Final answer
    x = 7,349.54

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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.