Home / 6,829.12-10,243.62-2,212.12

Finding the Fourth Proportional to 6,829.12, 10,243.62 and 2,212.12

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Solution

The fourth proportional to 6,829.12, 10,243.62 and 2,212.12 is: 3,318.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,829.12 : 10,243.62 = 2,212.12 : x
  2. Step 2: Convert to fraction form
    6,829.12/10,243.62 = 2,212.12/x
  3. Step 3: Cross multiply
    6,829.12x = 10,243.62 × 2,212.12
  4. Step 4: Simplify right side
    6,829.12x = 22,660,116.67
  5. Step 5: Solve for x
    x = 22,660,116.67/6,829.12
  6. Step 6: Final answer
    x = 3,318.16

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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.