Home / 10,213.33-15,320.31-3,193.60

Finding the Fourth Proportional to 10,213.33, 15,320.31 and 3,193.60

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Solution

The fourth proportional to 10,213.33, 15,320.31 and 3,193.60 is: 4,790.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,213.33 : 15,320.31 = 3,193.60 : x
  2. Step 2: Convert to fraction form
    10,213.33/15,320.31 = 3,193.60/x
  3. Step 3: Cross multiply
    10,213.33x = 15,320.31 × 3,193.60
  4. Step 4: Simplify right side
    10,213.33x = 48,926,942.02
  5. Step 5: Solve for x
    x = 48,926,942.02/10,213.33
  6. Step 6: Final answer
    x = 4,790.50

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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.