Home / 10,622.20-15,935.10-3,226.60

Finding the Fourth Proportional to 10,622.20, 15,935.10 and 3,226.60

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Solution

The fourth proportional to 10,622.20, 15,935.10 and 3,226.60 is: 4,840.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,622.20 : 15,935.10 = 3,226.60 : x
  2. Step 2: Convert to fraction form
    10,622.20/15,935.10 = 3,226.60/x
  3. Step 3: Cross multiply
    10,622.20x = 15,935.10 × 3,226.60
  4. Step 4: Simplify right side
    10,622.20x = 51,416,193.66
  5. Step 5: Solve for x
    x = 51,416,193.66/10,622.20
  6. Step 6: Final answer
    x = 4,840.45

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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.