Home / 12,268.20-16,933.38-7,556.42

Finding the Fourth Proportional to 12,268.20, 16,933.38 and 7,556.42

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Solution

The fourth proportional to 12,268.20, 16,933.38 and 7,556.42 is: 10,429.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,268.20 : 16,933.38 = 7,556.42 : x
  2. Step 2: Convert to fraction form
    12,268.20/16,933.38 = 7,556.42/x
  3. Step 3: Cross multiply
    12,268.20x = 16,933.38 × 7,556.42
  4. Step 4: Simplify right side
    12,268.20x = 127,955,731.30
  5. Step 5: Solve for x
    x = 127,955,731.30/12,268.20
  6. Step 6: Final answer
    x = 10,429.87

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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.