Home / 7,793.28-11,689.79-2,246.40

Finding the Fourth Proportional to 7,793.28, 11,689.79 and 2,246.40

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Solution

The fourth proportional to 7,793.28, 11,689.79 and 2,246.40 is: 3,369.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,793.28 : 11,689.79 = 2,246.40 : x
  2. Step 2: Convert to fraction form
    7,793.28/11,689.79 = 2,246.40/x
  3. Step 3: Cross multiply
    7,793.28x = 11,689.79 × 2,246.40
  4. Step 4: Simplify right side
    7,793.28x = 26,259,933.02
  5. Step 5: Solve for x
    x = 26,259,933.02/7,793.28
  6. Step 6: Final answer
    x = 3,369.56

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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.