Home / 7,862.11-11,793.30-2,930.73

Finding the Fourth Proportional to 7,862.11, 11,793.30 and 2,930.73

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Solution

The fourth proportional to 7,862.11, 11,793.30 and 2,930.73 is: 4,396.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,862.11 : 11,793.30 = 2,930.73 : x
  2. Step 2: Convert to fraction form
    7,862.11/11,793.30 = 2,930.73/x
  3. Step 3: Cross multiply
    7,862.11x = 11,793.30 × 2,930.73
  4. Step 4: Simplify right side
    7,862.11x = 34,562,989.23
  5. Step 5: Solve for x
    x = 34,562,989.23/7,862.11
  6. Step 6: Final answer
    x = 4,396.14

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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.