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Finding the Fourth Proportional to 8,352.66, 12,535.05 and 6,728.82

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Solution

The fourth proportional to 8,352.66, 12,535.05 and 6,728.82 is: 10,098.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,352.66 : 12,535.05 = 6,728.82 : x
  2. Step 2: Convert to fraction form
    8,352.66/12,535.05 = 6,728.82/x
  3. Step 3: Cross multiply
    8,352.66x = 12,535.05 × 6,728.82
  4. Step 4: Simplify right side
    8,352.66x = 84,346,095.14
  5. Step 5: Solve for x
    x = 84,346,095.14/8,352.66
  6. Step 6: Final answer
    x = 10,098.11

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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.