Home / 7,480.71-11,221.06-2,286.58

Finding the Fourth Proportional to 7,480.71, 11,221.06 and 2,286.58

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Solution

The fourth proportional to 7,480.71, 11,221.06 and 2,286.58 is: 3,429.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,480.71 : 11,221.06 = 2,286.58 : x
  2. Step 2: Convert to fraction form
    7,480.71/11,221.06 = 2,286.58/x
  3. Step 3: Cross multiply
    7,480.71x = 11,221.06 × 2,286.58
  4. Step 4: Simplify right side
    7,480.71x = 25,657,851.37
  5. Step 5: Solve for x
    x = 25,657,851.37/7,480.71
  6. Step 6: Final answer
    x = 3,429.87

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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.