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Finding the Fourth Proportional to 8,356.34, 12,535.32 and 3,092.76

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Solution

The fourth proportional to 8,356.34, 12,535.32 and 3,092.76 is: 4,639.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,356.34 : 12,535.32 = 3,092.76 : x
  2. Step 2: Convert to fraction form
    8,356.34/12,535.32 = 3,092.76/x
  3. Step 3: Cross multiply
    8,356.34x = 12,535.32 × 3,092.76
  4. Step 4: Simplify right side
    8,356.34x = 38,768,736.28
  5. Step 5: Solve for x
    x = 38,768,736.28/8,356.34
  6. Step 6: Final answer
    x = 4,639.44

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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.