Home / 7,933.29-11,900.11-2,668.36

Finding the Fourth Proportional to 7,933.29, 11,900.11 and 2,668.36

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Solution

The fourth proportional to 7,933.29, 11,900.11 and 2,668.36 is: 4,002.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,933.29 : 11,900.11 = 2,668.36 : x
  2. Step 2: Convert to fraction form
    7,933.29/11,900.11 = 2,668.36/x
  3. Step 3: Cross multiply
    7,933.29x = 11,900.11 × 2,668.36
  4. Step 4: Simplify right side
    7,933.29x = 31,753,777.52
  5. Step 5: Solve for x
    x = 31,753,777.52/7,933.29
  6. Step 6: Final answer
    x = 4,002.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.