Home / 8,283.62-11,431.29-6,168.61

Finding the Fourth Proportional to 8,283.62, 11,431.29 and 6,168.61

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Solution

The fourth proportional to 8,283.62, 11,431.29 and 6,168.61 is: 8,512.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,283.62 : 11,431.29 = 6,168.61 : x
  2. Step 2: Convert to fraction form
    8,283.62/11,431.29 = 6,168.61/x
  3. Step 3: Cross multiply
    8,283.62x = 11,431.29 × 6,168.61
  4. Step 4: Simplify right side
    8,283.62x = 70,515,169.81
  5. Step 5: Solve for x
    x = 70,515,169.81/8,283.62
  6. Step 6: Final answer
    x = 8,512.60

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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.