Home / 7,617.91-11,419.07-4,324.04

Finding the Fourth Proportional to 7,617.91, 11,419.07 and 4,324.04

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Solution

The fourth proportional to 7,617.91, 11,419.07 and 4,324.04 is: 6,481.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,617.91 : 11,419.07 = 4,324.04 : x
  2. Step 2: Convert to fraction form
    7,617.91/11,419.07 = 4,324.04/x
  3. Step 3: Cross multiply
    7,617.91x = 11,419.07 × 4,324.04
  4. Step 4: Simplify right side
    7,617.91x = 49,376,522.37
  5. Step 5: Solve for x
    x = 49,376,522.37/7,617.91
  6. Step 6: Final answer
    x = 6,481.64

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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.