Home / 7,248.20-10,872.30-2,630.60

Finding the Fourth Proportional to 7,248.20, 10,872.30 and 2,630.60

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Solution

The fourth proportional to 7,248.20, 10,872.30 and 2,630.60 is: 3,945.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,248.20 : 10,872.30 = 2,630.60 : x
  2. Step 2: Convert to fraction form
    7,248.20/10,872.30 = 2,630.60/x
  3. Step 3: Cross multiply
    7,248.20x = 10,872.30 × 2,630.60
  4. Step 4: Simplify right side
    7,248.20x = 28,600,672.38
  5. Step 5: Solve for x
    x = 28,600,672.38/7,248.20
  6. Step 6: Final answer
    x = 3,945.90

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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.