Home / 12,268.74-16,936.56-7,231.26

Finding the Fourth Proportional to 12,268.74, 16,936.56 and 7,231.26

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Solution

The fourth proportional to 12,268.74, 16,936.56 and 7,231.26 is: 9,982.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,268.74 : 16,936.56 = 7,231.26 : x
  2. Step 2: Convert to fraction form
    12,268.74/16,936.56 = 7,231.26/x
  3. Step 3: Cross multiply
    12,268.74x = 16,936.56 × 7,231.26
  4. Step 4: Simplify right side
    12,268.74x = 122,472,668.87
  5. Step 5: Solve for x
    x = 122,472,668.87/12,268.74
  6. Step 6: Final answer
    x = 9,982.50

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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.