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Finding the Fourth Proportional to 11,843.17, 16,343.34 and 6,739.60

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Solution

The fourth proportional to 11,843.17, 16,343.34 and 6,739.60 is: 9,300.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,843.17 : 16,343.34 = 6,739.60 : x
  2. Step 2: Convert to fraction form
    11,843.17/16,343.34 = 6,739.60/x
  3. Step 3: Cross multiply
    11,843.17x = 16,343.34 × 6,739.60
  4. Step 4: Simplify right side
    11,843.17x = 110,147,574.26
  5. Step 5: Solve for x
    x = 110,147,574.26/11,843.17
  6. Step 6: Final answer
    x = 9,300.51

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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.