Home / 11,078.34-16,615.76-3,682.88

Finding the Fourth Proportional to 11,078.34, 16,615.76 and 3,682.88

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Solution

The fourth proportional to 11,078.34, 16,615.76 and 3,682.88 is: 5,523.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,078.34 : 16,615.76 = 3,682.88 : x
  2. Step 2: Convert to fraction form
    11,078.34/16,615.76 = 3,682.88/x
  3. Step 3: Cross multiply
    11,078.34x = 16,615.76 × 3,682.88
  4. Step 4: Simplify right side
    11,078.34x = 61,193,850.19
  5. Step 5: Solve for x
    x = 61,193,850.19/11,078.34
  6. Step 6: Final answer
    x = 5,523.74

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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.