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Finding the Fourth Proportional to 9,893.99, 13,651.88 and 5,914.26

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Solution

The fourth proportional to 9,893.99, 13,651.88 and 5,914.26 is: 8,160.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,893.99 : 13,651.88 = 5,914.26 : x
  2. Step 2: Convert to fraction form
    9,893.99/13,651.88 = 5,914.26/x
  3. Step 3: Cross multiply
    9,893.99x = 13,651.88 × 5,914.26
  4. Step 4: Simplify right side
    9,893.99x = 80,740,738.24
  5. Step 5: Solve for x
    x = 80,740,738.24/9,893.99
  6. Step 6: Final answer
    x = 8,160.58

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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.