Home / 11,103.90-16,655.37-6,170.41

Finding the Fourth Proportional to 11,103.90, 16,655.37 and 6,170.41

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Solution

The fourth proportional to 11,103.90, 16,655.37 and 6,170.41 is: 9,255.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,103.90 : 16,655.37 = 6,170.41 : x
  2. Step 2: Convert to fraction form
    11,103.90/16,655.37 = 6,170.41/x
  3. Step 3: Cross multiply
    11,103.90x = 16,655.37 × 6,170.41
  4. Step 4: Simplify right side
    11,103.90x = 102,770,461.60
  5. Step 5: Solve for x
    x = 102,770,461.60/11,103.90
  6. Step 6: Final answer
    x = 9,255.35

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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.