Home / 11,475.21-17,213.60-3,683.55

Finding the Fourth Proportional to 11,475.21, 17,213.60 and 3,683.55

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Solution

The fourth proportional to 11,475.21, 17,213.60 and 3,683.55 is: 5,525.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,475.21 : 17,213.60 = 3,683.55 : x
  2. Step 2: Convert to fraction form
    11,475.21/17,213.60 = 3,683.55/x
  3. Step 3: Cross multiply
    11,475.21x = 17,213.60 × 3,683.55
  4. Step 4: Simplify right side
    11,475.21x = 63,407,137.86
  5. Step 5: Solve for x
    x = 63,407,137.86/11,475.21
  6. Step 6: Final answer
    x = 5,525.58

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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.