Home / 10,512.20-15,768.30-5,846.60

Finding the Fourth Proportional to 10,512.20, 15,768.30 and 5,846.60

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Solution

The fourth proportional to 10,512.20, 15,768.30 and 5,846.60 is: 8,769.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,512.20 : 15,768.30 = 5,846.60 : x
  2. Step 2: Convert to fraction form
    10,512.20/15,768.30 = 5,846.60/x
  3. Step 3: Cross multiply
    10,512.20x = 15,768.30 × 5,846.60
  4. Step 4: Simplify right side
    10,512.20x = 92,190,942.78
  5. Step 5: Solve for x
    x = 92,190,942.78/10,512.20
  6. Step 6: Final answer
    x = 8,769.90

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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.