Home / 11,172.12-16,755.96-5,624.04

Finding the Fourth Proportional to 11,172.12, 16,755.96 and 5,624.04

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Solution

The fourth proportional to 11,172.12, 16,755.96 and 5,624.04 is: 8,434.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,172.12 : 16,755.96 = 5,624.04 : x
  2. Step 2: Convert to fraction form
    11,172.12/16,755.96 = 5,624.04/x
  3. Step 3: Cross multiply
    11,172.12x = 16,755.96 × 5,624.04
  4. Step 4: Simplify right side
    11,172.12x = 94,236,189.28
  5. Step 5: Solve for x
    x = 94,236,189.28/11,172.12
  6. Step 6: Final answer
    x = 8,434.94

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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.