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Finding the Fourth Proportional to 8,293, 12,445.51 and 6,218.59

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Solution

The fourth proportional to 8,293, 12,445.51 and 6,218.59 is: 9,332.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,293 : 12,445.51 = 6,218.59 : x
  2. Step 2: Convert to fraction form
    8,293/12,445.51 = 6,218.59/x
  3. Step 3: Cross multiply
    8,293x = 12,445.51 × 6,218.59
  4. Step 4: Simplify right side
    8,293x = 77,393,524.03
  5. Step 5: Solve for x
    x = 77,393,524.03/8,293
  6. Step 6: Final answer
    x = 9,332.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.