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Finding the Fourth Proportional to 9,394.62, 12,956.19 and 7,798.74

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Solution

The fourth proportional to 9,394.62, 12,956.19 and 7,798.74 is: 10,755.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,394.62 : 12,956.19 = 7,798.74 : x
  2. Step 2: Convert to fraction form
    9,394.62/12,956.19 = 7,798.74/x
  3. Step 3: Cross multiply
    9,394.62x = 12,956.19 × 7,798.74
  4. Step 4: Simplify right side
    9,394.62x = 101,041,957.20
  5. Step 5: Solve for x
    x = 101,041,957.20/9,394.62
  6. Step 6: Final answer
    x = 10,755.30

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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.