Home / 9,221.10-13,828.45-5,705.73

Finding the Fourth Proportional to 9,221.10, 13,828.45 and 5,705.73

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Solution

The fourth proportional to 9,221.10, 13,828.45 and 5,705.73 is: 8,556.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,221.10 : 13,828.45 = 5,705.73 : x
  2. Step 2: Convert to fraction form
    9,221.10/13,828.45 = 5,705.73/x
  3. Step 3: Cross multiply
    9,221.10x = 13,828.45 × 5,705.73
  4. Step 4: Simplify right side
    9,221.10x = 78,901,387.75
  5. Step 5: Solve for x
    x = 78,901,387.75/9,221.10
  6. Step 6: Final answer
    x = 8,556.61

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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.