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Finding the Fourth Proportional to 8,463.15, 12,696.92 and 4,956.12

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Solution

The fourth proportional to 8,463.15, 12,696.92 and 4,956.12 is: 7,435.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,463.15 : 12,696.92 = 4,956.12 : x
  2. Step 2: Convert to fraction form
    8,463.15/12,696.92 = 4,956.12/x
  3. Step 3: Cross multiply
    8,463.15x = 12,696.92 × 4,956.12
  4. Step 4: Simplify right side
    8,463.15x = 62,927,434.37
  5. Step 5: Solve for x
    x = 62,927,434.37/8,463.15
  6. Step 6: Final answer
    x = 7,435.46

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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.