Home / 7,933.36-11,900.02-2,089.88

Finding the Fourth Proportional to 7,933.36, 11,900.02 and 2,089.88

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Solution

The fourth proportional to 7,933.36, 11,900.02 and 2,089.88 is: 3,134.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,933.36 : 11,900.02 = 2,089.88 : x
  2. Step 2: Convert to fraction form
    7,933.36/11,900.02 = 2,089.88/x
  3. Step 3: Cross multiply
    7,933.36x = 11,900.02 × 2,089.88
  4. Step 4: Simplify right side
    7,933.36x = 24,869,613.80
  5. Step 5: Solve for x
    x = 24,869,613.80/7,933.36
  6. Step 6: Final answer
    x = 3,134.81

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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.