Home / 7,411.26-11,117.28-2,217.54

Finding the Fourth Proportional to 7,411.26, 11,117.28 and 2,217.54

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Solution

The fourth proportional to 7,411.26, 11,117.28 and 2,217.54 is: 3,326.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,411.26 : 11,117.28 = 2,217.54 : x
  2. Step 2: Convert to fraction form
    7,411.26/11,117.28 = 2,217.54/x
  3. Step 3: Cross multiply
    7,411.26x = 11,117.28 × 2,217.54
  4. Step 4: Simplify right side
    7,411.26x = 24,653,013.09
  5. Step 5: Solve for x
    x = 24,653,013.09/7,411.26
  6. Step 6: Final answer
    x = 3,326.43

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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.