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Finding the Fourth Proportional to 6,243.99, 9,367.59 and 5,135.31

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Solution

The fourth proportional to 6,243.99, 9,367.59 and 5,135.31 is: 7,704.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,243.99 : 9,367.59 = 5,135.31 : x
  2. Step 2: Convert to fraction form
    6,243.99/9,367.59 = 5,135.31/x
  3. Step 3: Cross multiply
    6,243.99x = 9,367.59 × 5,135.31
  4. Step 4: Simplify right side
    6,243.99x = 48,105,478.60
  5. Step 5: Solve for x
    x = 48,105,478.60/6,243.99
  6. Step 6: Final answer
    x = 7,704.29

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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.