Home / 11,165.76-16,742.16-5,968.80

Finding the Fourth Proportional to 11,165.76, 16,742.16 and 5,968.80

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Solution

The fourth proportional to 11,165.76, 16,742.16 and 5,968.80 is: 8,949.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,165.76 : 16,742.16 = 5,968.80 : x
  2. Step 2: Convert to fraction form
    11,165.76/16,742.16 = 5,968.80/x
  3. Step 3: Cross multiply
    11,165.76x = 16,742.16 × 5,968.80
  4. Step 4: Simplify right side
    11,165.76x = 99,930,604.61
  5. Step 5: Solve for x
    x = 99,930,604.61/11,165.76
  6. Step 6: Final answer
    x = 8,949.74

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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.