Home / 28,883.43-43,325.21-7,823.60

Finding the Fourth Proportional to 28,883.43, 43,325.21 and 7,823.60

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Solution

The fourth proportional to 28,883.43, 43,325.21 and 7,823.60 is: 11,735.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,883.43 : 43,325.21 = 7,823.60 : x
  2. Step 2: Convert to fraction form
    28,883.43/43,325.21 = 7,823.60/x
  3. Step 3: Cross multiply
    28,883.43x = 43,325.21 × 7,823.60
  4. Step 4: Simplify right side
    28,883.43x = 338,959,078.36
  5. Step 5: Solve for x
    x = 338,959,078.36/28,883.43
  6. Step 6: Final answer
    x = 11,735.42

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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.