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Finding the Fourth Proportional to 8,634.03, 11,915.09 and 5,097.24

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Solution

The fourth proportional to 8,634.03, 11,915.09 and 5,097.24 is: 7,034.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,634.03 : 11,915.09 = 5,097.24 : x
  2. Step 2: Convert to fraction form
    8,634.03/11,915.09 = 5,097.24/x
  3. Step 3: Cross multiply
    8,634.03x = 11,915.09 × 5,097.24
  4. Step 4: Simplify right side
    8,634.03x = 60,734,066.98
  5. Step 5: Solve for x
    x = 60,734,066.98/8,634.03
  6. Step 6: Final answer
    x = 7,034.27

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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.