Home / 8,202.22-11,315.18-4,842.79

Finding the Fourth Proportional to 8,202.22, 11,315.18 and 4,842.79

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Solution

The fourth proportional to 8,202.22, 11,315.18 and 4,842.79 is: 6,680.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,202.22 : 11,315.18 = 4,842.79 : x
  2. Step 2: Convert to fraction form
    8,202.22/11,315.18 = 4,842.79/x
  3. Step 3: Cross multiply
    8,202.22x = 11,315.18 × 4,842.79
  4. Step 4: Simplify right side
    8,202.22x = 54,797,024.37
  5. Step 5: Solve for x
    x = 54,797,024.37/8,202.22
  6. Step 6: Final answer
    x = 6,680.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.