Home / 7,344.92-11,017.56-2,151.20

Finding the Fourth Proportional to 7,344.92, 11,017.56 and 2,151.20

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Solution

The fourth proportional to 7,344.92, 11,017.56 and 2,151.20 is: 3,226.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,344.92 : 11,017.56 = 2,151.20 : x
  2. Step 2: Convert to fraction form
    7,344.92/11,017.56 = 2,151.20/x
  3. Step 3: Cross multiply
    7,344.92x = 11,017.56 × 2,151.20
  4. Step 4: Simplify right side
    7,344.92x = 23,700,975.07
  5. Step 5: Solve for x
    x = 23,700,975.07/7,344.92
  6. Step 6: Final answer
    x = 3,226.85

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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.