Home / 7,472.26-11,205.75-2,205.86

Finding the Fourth Proportional to 7,472.26, 11,205.75 and 2,205.86

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Solution

The fourth proportional to 7,472.26, 11,205.75 and 2,205.86 is: 3,308.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,472.26 : 11,205.75 = 2,205.86 : x
  2. Step 2: Convert to fraction form
    7,472.26/11,205.75 = 2,205.86/x
  3. Step 3: Cross multiply
    7,472.26x = 11,205.75 × 2,205.86
  4. Step 4: Simplify right side
    7,472.26x = 24,718,315.70
  5. Step 5: Solve for x
    x = 24,718,315.70/7,472.26
  6. Step 6: Final answer
    x = 3,308.01

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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.