Home / 11,193.30-16,790.88-3,402.18

Finding the Fourth Proportional to 11,193.30, 16,790.88 and 3,402.18

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Solution

The fourth proportional to 11,193.30, 16,790.88 and 3,402.18 is: 5,103.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,193.30 : 16,790.88 = 3,402.18 : x
  2. Step 2: Convert to fraction form
    11,193.30/16,790.88 = 3,402.18/x
  3. Step 3: Cross multiply
    11,193.30x = 16,790.88 × 3,402.18
  4. Step 4: Simplify right side
    11,193.30x = 57,125,596.12
  5. Step 5: Solve for x
    x = 57,125,596.12/11,193.30
  6. Step 6: Final answer
    x = 5,103.55

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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.