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Finding the Fourth Proportional to 8,646.75, 11,932.63 and 5,063.94

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Solution

The fourth proportional to 8,646.75, 11,932.63 and 5,063.94 is: 6,988.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,646.75 : 11,932.63 = 5,063.94 : x
  2. Step 2: Convert to fraction form
    8,646.75/11,932.63 = 5,063.94/x
  3. Step 3: Cross multiply
    8,646.75x = 11,932.63 × 5,063.94
  4. Step 4: Simplify right side
    8,646.75x = 60,426,122.36
  5. Step 5: Solve for x
    x = 60,426,122.36/8,646.75
  6. Step 6: Final answer
    x = 6,988.30

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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.