Home / 11,739.27-16,200.36-7,022.64

Finding the Fourth Proportional to 11,739.27, 16,200.36 and 7,022.64

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Solution

The fourth proportional to 11,739.27, 16,200.36 and 7,022.64 is: 9,691.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,739.27 : 16,200.36 = 7,022.64 : x
  2. Step 2: Convert to fraction form
    11,739.27/16,200.36 = 7,022.64/x
  3. Step 3: Cross multiply
    11,739.27x = 16,200.36 × 7,022.64
  4. Step 4: Simplify right side
    11,739.27x = 113,769,296.15
  5. Step 5: Solve for x
    x = 113,769,296.15/11,739.27
  6. Step 6: Final answer
    x = 9,691.34

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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.