Home / 7,481.61-11,223.86-2,864.25

Finding the Fourth Proportional to 7,481.61, 11,223.86 and 2,864.25

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Solution

The fourth proportional to 7,481.61, 11,223.86 and 2,864.25 is: 4,296.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,481.61 : 11,223.86 = 2,864.25 : x
  2. Step 2: Convert to fraction form
    7,481.61/11,223.86 = 2,864.25/x
  3. Step 3: Cross multiply
    7,481.61x = 11,223.86 × 2,864.25
  4. Step 4: Simplify right side
    7,481.61x = 32,147,926.68
  5. Step 5: Solve for x
    x = 32,147,926.68/7,481.61
  6. Step 6: Final answer
    x = 4,296.93

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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.