Home / 12,823.96-19,228.18-6,243.56

Finding the Fourth Proportional to 12,823.96, 19,228.18 and 6,243.56

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Solution

The fourth proportional to 12,823.96, 19,228.18 and 6,243.56 is: 9,361.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,823.96 : 19,228.18 = 6,243.56 : x
  2. Step 2: Convert to fraction form
    12,823.96/19,228.18 = 6,243.56/x
  3. Step 3: Cross multiply
    12,823.96x = 19,228.18 × 6,243.56
  4. Step 4: Simplify right side
    12,823.96x = 120,052,295.52
  5. Step 5: Solve for x
    x = 120,052,295.52/12,823.96
  6. Step 6: Final answer
    x = 9,361.56

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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.