Home / 10,049.20-15,073.80-9,622.60

Finding the Fourth Proportional to 10,049.20, 15,073.80 and 9,622.60

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Solution

The fourth proportional to 10,049.20, 15,073.80 and 9,622.60 is: 14,433.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,049.20 : 15,073.80 = 9,622.60 : x
  2. Step 2: Convert to fraction form
    10,049.20/15,073.80 = 9,622.60/x
  3. Step 3: Cross multiply
    10,049.20x = 15,073.80 × 9,622.60
  4. Step 4: Simplify right side
    10,049.20x = 145,049,147.88
  5. Step 5: Solve for x
    x = 145,049,147.88/10,049.20
  6. Step 6: Final answer
    x = 14,433.90

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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.