Home / 11,240.64-16,860.56-3,449.25

Finding the Fourth Proportional to 11,240.64, 16,860.56 and 3,449.25

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Solution

The fourth proportional to 11,240.64, 16,860.56 and 3,449.25 is: 5,173.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,240.64 : 16,860.56 = 3,449.25 : x
  2. Step 2: Convert to fraction form
    11,240.64/16,860.56 = 3,449.25/x
  3. Step 3: Cross multiply
    11,240.64x = 16,860.56 × 3,449.25
  4. Step 4: Simplify right side
    11,240.64x = 58,156,269.33
  5. Step 5: Solve for x
    x = 58,156,269.33/11,240.64
  6. Step 6: Final answer
    x = 5,173.75

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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.