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Finding the Fourth Proportional to 8,393.14, 11,583.57 and 5,248.72

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Solution

The fourth proportional to 8,393.14, 11,583.57 and 5,248.72 is: 7,243.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,393.14 : 11,583.57 = 5,248.72 : x
  2. Step 2: Convert to fraction form
    8,393.14/11,583.57 = 5,248.72/x
  3. Step 3: Cross multiply
    8,393.14x = 11,583.57 × 5,248.72
  4. Step 4: Simplify right side
    8,393.14x = 60,798,915.53
  5. Step 5: Solve for x
    x = 60,798,915.53/8,393.14
  6. Step 6: Final answer
    x = 7,243.88

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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.