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Finding the Fourth Proportional to 9,394.58, 12,965.90 and 5,414.91

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Solution

The fourth proportional to 9,394.58, 12,965.90 and 5,414.91 is: 7,473.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,394.58 : 12,965.90 = 5,414.91 : x
  2. Step 2: Convert to fraction form
    9,394.58/12,965.90 = 5,414.91/x
  3. Step 3: Cross multiply
    9,394.58x = 12,965.90 × 5,414.91
  4. Step 4: Simplify right side
    9,394.58x = 70,209,154.49
  5. Step 5: Solve for x
    x = 70,209,154.49/9,394.58
  6. Step 6: Final answer
    x = 7,473.37

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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.