Home / 11,563.20-17,338.18-3,555.88

Finding the Fourth Proportional to 11,563.20, 17,338.18 and 3,555.88

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Solution

The fourth proportional to 11,563.20, 17,338.18 and 3,555.88 is: 5,331.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,563.20 : 17,338.18 = 3,555.88 : x
  2. Step 2: Convert to fraction form
    11,563.20/17,338.18 = 3,555.88/x
  3. Step 3: Cross multiply
    11,563.20x = 17,338.18 × 3,555.88
  4. Step 4: Simplify right side
    11,563.20x = 61,652,487.50
  5. Step 5: Solve for x
    x = 61,652,487.50/11,563.20
  6. Step 6: Final answer
    x = 5,331.78

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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.