Home / 10,202.96-15,305.81-3,183.45

Finding the Fourth Proportional to 10,202.96, 15,305.81 and 3,183.45

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Solution

The fourth proportional to 10,202.96, 15,305.81 and 3,183.45 is: 4,775.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,202.96 : 15,305.81 = 3,183.45 : x
  2. Step 2: Convert to fraction form
    10,202.96/15,305.81 = 3,183.45/x
  3. Step 3: Cross multiply
    10,202.96x = 15,305.81 × 3,183.45
  4. Step 4: Simplify right side
    10,202.96x = 48,725,311.53
  5. Step 5: Solve for x
    x = 48,725,311.53/10,202.96
  6. Step 6: Final answer
    x = 4,775.60

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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.