Home / 11,108.70-16,675.20-6,175.80

Finding the Fourth Proportional to 11,108.70, 16,675.20 and 6,175.80

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Solution

The fourth proportional to 11,108.70, 16,675.20 and 6,175.80 is: 9,270.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,108.70 : 16,675.20 = 6,175.80 : x
  2. Step 2: Convert to fraction form
    11,108.70/16,675.20 = 6,175.80/x
  3. Step 3: Cross multiply
    11,108.70x = 16,675.20 × 6,175.80
  4. Step 4: Simplify right side
    11,108.70x = 102,982,700.16
  5. Step 5: Solve for x
    x = 102,982,700.16/11,108.70
  6. Step 6: Final answer
    x = 9,270.45

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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.