Home / 11,905.44-17,858.19-3,585.48

Finding the Fourth Proportional to 11,905.44, 17,858.19 and 3,585.48

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Solution

The fourth proportional to 11,905.44, 17,858.19 and 3,585.48 is: 5,378.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,905.44 : 17,858.19 = 3,585.48 : x
  2. Step 2: Convert to fraction form
    11,905.44/17,858.19 = 3,585.48/x
  3. Step 3: Cross multiply
    11,905.44x = 17,858.19 × 3,585.48
  4. Step 4: Simplify right side
    11,905.44x = 64,030,183.08
  5. Step 5: Solve for x
    x = 64,030,183.08/11,905.44
  6. Step 6: Final answer
    x = 5,378.23

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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.