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Finding the Fourth Proportional to 9,396.40, 14,082.34 and 8,403.34

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Solution

The fourth proportional to 9,396.40, 14,082.34 and 8,403.34 is: 12,594.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,396.40 : 14,082.34 = 8,403.34 : x
  2. Step 2: Convert to fraction form
    9,396.40/14,082.34 = 8,403.34/x
  3. Step 3: Cross multiply
    9,396.40x = 14,082.34 × 8,403.34
  4. Step 4: Simplify right side
    9,396.40x = 118,338,691.02
  5. Step 5: Solve for x
    x = 118,338,691.02/9,396.40
  6. Step 6: Final answer
    x = 12,594.05

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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.