Home / 11,590.20-17,385.30-4,194.90

Finding the Fourth Proportional to 11,590.20, 17,385.30 and 4,194.90

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Solution

The fourth proportional to 11,590.20, 17,385.30 and 4,194.90 is: 6,292.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,590.20 : 17,385.30 = 4,194.90 : x
  2. Step 2: Convert to fraction form
    11,590.20/17,385.30 = 4,194.90/x
  3. Step 3: Cross multiply
    11,590.20x = 17,385.30 × 4,194.90
  4. Step 4: Simplify right side
    11,590.20x = 72,929,594.97
  5. Step 5: Solve for x
    x = 72,929,594.97/11,590.20
  6. Step 6: Final answer
    x = 6,292.35

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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.