Home / 11,254.40-16,885.20-3,863.60

Finding the Fourth Proportional to 11,254.40, 16,885.20 and 3,863.60

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Solution

The fourth proportional to 11,254.40, 16,885.20 and 3,863.60 is: 5,796.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,254.40 : 16,885.20 = 3,863.60 : x
  2. Step 2: Convert to fraction form
    11,254.40/16,885.20 = 3,863.60/x
  3. Step 3: Cross multiply
    11,254.40x = 16,885.20 × 3,863.60
  4. Step 4: Simplify right side
    11,254.40x = 65,237,658.72
  5. Step 5: Solve for x
    x = 65,237,658.72/11,254.40
  6. Step 6: Final answer
    x = 5,796.64

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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.