Home / 11,531.75-17,297.63-3,740.56

Finding the Fourth Proportional to 11,531.75, 17,297.63 and 3,740.56

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Solution

The fourth proportional to 11,531.75, 17,297.63 and 3,740.56 is: 5,610.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,531.75 : 17,297.63 = 3,740.56 : x
  2. Step 2: Convert to fraction form
    11,531.75/17,297.63 = 3,740.56/x
  3. Step 3: Cross multiply
    11,531.75x = 17,297.63 × 3,740.56
  4. Step 4: Simplify right side
    11,531.75x = 64,702,847.41
  5. Step 5: Solve for x
    x = 64,702,847.41/11,531.75
  6. Step 6: Final answer
    x = 5,610.84

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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.