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Finding the Fourth Proportional to 7,347.30, 10,958.97 and 6,163.48

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Solution

The fourth proportional to 7,347.30, 10,958.97 and 6,163.48 is: 9,193.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,347.30 : 10,958.97 = 6,163.48 : x
  2. Step 2: Convert to fraction form
    7,347.30/10,958.97 = 6,163.48/x
  3. Step 3: Cross multiply
    7,347.30x = 10,958.97 × 6,163.48
  4. Step 4: Simplify right side
    7,347.30x = 67,545,392.42
  5. Step 5: Solve for x
    x = 67,545,392.42/7,347.30
  6. Step 6: Final answer
    x = 9,193.23

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Half scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.