Home / 7,274.16-10,911.29-3,324.60

Finding the Fourth Proportional to 7,274.16, 10,911.29 and 3,324.60

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Solution

The fourth proportional to 7,274.16, 10,911.29 and 3,324.60 is: 4,986.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,274.16 : 10,911.29 = 3,324.60 : x
  2. Step 2: Convert to fraction form
    7,274.16/10,911.29 = 3,324.60/x
  3. Step 3: Cross multiply
    7,274.16x = 10,911.29 × 3,324.60
  4. Step 4: Simplify right side
    7,274.16x = 36,275,658.11
  5. Step 5: Solve for x
    x = 36,275,658.11/7,274.16
  6. Step 6: Final answer
    x = 4,986.92

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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.