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Finding the Fourth Proportional to 6,231.17, 8,636.13 and 6,114.53

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Solution

The fourth proportional to 6,231.17, 8,636.13 and 6,114.53 is: 8,474.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,231.17 : 8,636.13 = 6,114.53 : x
  2. Step 2: Convert to fraction form
    6,231.17/8,636.13 = 6,114.53/x
  3. Step 3: Cross multiply
    6,231.17x = 8,636.13 × 6,114.53
  4. Step 4: Simplify right side
    6,231.17x = 52,805,897.56
  5. Step 5: Solve for x
    x = 52,805,897.56/6,231.17
  6. Step 6: Final answer
    x = 8,474.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.