Home / 10,555.25-15,832.89-3,629.75

Finding the Fourth Proportional to 10,555.25, 15,832.89 and 3,629.75

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Solution

The fourth proportional to 10,555.25, 15,832.89 and 3,629.75 is: 5,444.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,555.25 : 15,832.89 = 3,629.75 : x
  2. Step 2: Convert to fraction form
    10,555.25/15,832.89 = 3,629.75/x
  3. Step 3: Cross multiply
    10,555.25x = 15,832.89 × 3,629.75
  4. Step 4: Simplify right side
    10,555.25x = 57,469,432.48
  5. Step 5: Solve for x
    x = 57,469,432.48/10,555.25
  6. Step 6: Final answer
    x = 5,444.63

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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.