Home / 9,015.21-13,522.83-3,170.46

Finding the Fourth Proportional to 9,015.21, 13,522.83 and 3,170.46

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Solution

The fourth proportional to 9,015.21, 13,522.83 and 3,170.46 is: 4,755.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,015.21 : 13,522.83 = 3,170.46 : x
  2. Step 2: Convert to fraction form
    9,015.21/13,522.83 = 3,170.46/x
  3. Step 3: Cross multiply
    9,015.21x = 13,522.83 × 3,170.46
  4. Step 4: Simplify right side
    9,015.21x = 42,873,591.60
  5. Step 5: Solve for x
    x = 42,873,591.60/9,015.21
  6. Step 6: Final answer
    x = 4,755.70

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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.