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Finding the Fourth Proportional to 9,126.38, 12,594.38 and 4,934.63

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Solution

The fourth proportional to 9,126.38, 12,594.38 and 4,934.63 is: 6,809.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,126.38 : 12,594.38 = 4,934.63 : x
  2. Step 2: Convert to fraction form
    9,126.38/12,594.38 = 4,934.63/x
  3. Step 3: Cross multiply
    9,126.38x = 12,594.38 × 4,934.63
  4. Step 4: Simplify right side
    9,126.38x = 62,148,517.73
  5. Step 5: Solve for x
    x = 62,148,517.73/9,126.38
  6. Step 6: Final answer
    x = 6,809.77

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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.