Home / 11,474.20-17,211.30-11,036.80

Finding the Fourth Proportional to 11,474.20, 17,211.30 and 11,036.80

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Solution

The fourth proportional to 11,474.20, 17,211.30 and 11,036.80 is: 16,555.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,474.20 : 17,211.30 = 11,036.80 : x
  2. Step 2: Convert to fraction form
    11,474.20/17,211.30 = 11,036.80/x
  3. Step 3: Cross multiply
    11,474.20x = 17,211.30 × 11,036.80
  4. Step 4: Simplify right side
    11,474.20x = 189,957,675.84
  5. Step 5: Solve for x
    x = 189,957,675.84/11,474.20
  6. Step 6: Final answer
    x = 16,555.20

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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.