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Finding the Fourth Proportional to 9,694.89, 13,378.97 and 5,503.14

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Solution

The fourth proportional to 9,694.89, 13,378.97 and 5,503.14 is: 7,594.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,694.89 : 13,378.97 = 5,503.14 : x
  2. Step 2: Convert to fraction form
    9,694.89/13,378.97 = 5,503.14/x
  3. Step 3: Cross multiply
    9,694.89x = 13,378.97 × 5,503.14
  4. Step 4: Simplify right side
    9,694.89x = 73,626,358.72
  5. Step 5: Solve for x
    x = 73,626,358.72/9,694.89
  6. Step 6: Final answer
    x = 7,594.35

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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.