Home / 10,441.60-15,662.46-2,650.40

Finding the Fourth Proportional to 10,441.60, 15,662.46 and 2,650.40

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Solution

The fourth proportional to 10,441.60, 15,662.46 and 2,650.40 is: 3,975.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,441.60 : 15,662.46 = 2,650.40 : x
  2. Step 2: Convert to fraction form
    10,441.60/15,662.46 = 2,650.40/x
  3. Step 3: Cross multiply
    10,441.60x = 15,662.46 × 2,650.40
  4. Step 4: Simplify right side
    10,441.60x = 41,511,783.98
  5. Step 5: Solve for x
    x = 41,511,783.98/10,441.60
  6. Step 6: Final answer
    x = 3,975.62

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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.