Home / 28,847.14-43,268.28-9,122.83

Finding the Fourth Proportional to 28,847.14, 43,268.28 and 9,122.83

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Solution

The fourth proportional to 28,847.14, 43,268.28 and 9,122.83 is: 13,683.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,847.14 : 43,268.28 = 9,122.83 : x
  2. Step 2: Convert to fraction form
    28,847.14/43,268.28 = 9,122.83/x
  3. Step 3: Cross multiply
    28,847.14x = 43,268.28 × 9,122.83
  4. Step 4: Simplify right side
    28,847.14x = 394,729,020.45
  5. Step 5: Solve for x
    x = 394,729,020.45/28,847.14
  6. Step 6: Final answer
    x = 13,683.47

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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.