Home / 11,210.60-16,815.90-7,524.20

Finding the Fourth Proportional to 11,210.60, 16,815.90 and 7,524.20

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Solution

The fourth proportional to 11,210.60, 16,815.90 and 7,524.20 is: 11,286.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,210.60 : 16,815.90 = 7,524.20 : x
  2. Step 2: Convert to fraction form
    11,210.60/16,815.90 = 7,524.20/x
  3. Step 3: Cross multiply
    11,210.60x = 16,815.90 × 7,524.20
  4. Step 4: Simplify right side
    11,210.60x = 126,526,194.78
  5. Step 5: Solve for x
    x = 126,526,194.78/11,210.60
  6. Step 6: Final answer
    x = 11,286.30

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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.