Home / 7,002.80-10,512.30-4,232.60

Finding the Fourth Proportional to 7,002.80, 10,512.30 and 4,232.60

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Solution

The fourth proportional to 7,002.80, 10,512.30 and 4,232.60 is: 6,353.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,002.80 : 10,512.30 = 4,232.60 : x
  2. Step 2: Convert to fraction form
    7,002.80/10,512.30 = 4,232.60/x
  3. Step 3: Cross multiply
    7,002.80x = 10,512.30 × 4,232.60
  4. Step 4: Simplify right side
    7,002.80x = 44,494,360.98
  5. Step 5: Solve for x
    x = 44,494,360.98/7,002.80
  6. Step 6: Final answer
    x = 6,353.80

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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.