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Finding the Fourth Proportional to 8,562.85, 11,816.82 and 5,026.12

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Solution

The fourth proportional to 8,562.85, 11,816.82 and 5,026.12 is: 6,936.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,562.85 : 11,816.82 = 5,026.12 : x
  2. Step 2: Convert to fraction form
    8,562.85/11,816.82 = 5,026.12/x
  3. Step 3: Cross multiply
    8,562.85x = 11,816.82 × 5,026.12
  4. Step 4: Simplify right side
    8,562.85x = 59,392,725.80
  5. Step 5: Solve for x
    x = 59,392,725.80/8,562.85
  6. Step 6: Final answer
    x = 6,936.10

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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.