Home / 7,340.38-11,011.66-2,660.74

Finding the Fourth Proportional to 7,340.38, 11,011.66 and 2,660.74

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Solution

The fourth proportional to 7,340.38, 11,011.66 and 2,660.74 is: 3,991.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,340.38 : 11,011.66 = 2,660.74 : x
  2. Step 2: Convert to fraction form
    7,340.38/11,011.66 = 2,660.74/x
  3. Step 3: Cross multiply
    7,340.38x = 11,011.66 × 2,660.74
  4. Step 4: Simplify right side
    7,340.38x = 29,299,164.23
  5. Step 5: Solve for x
    x = 29,299,164.23/7,340.38
  6. Step 6: Final answer
    x = 3,991.51

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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.