Home / 11,117.89-16,662.12-5,842.12

Finding the Fourth Proportional to 11,117.89, 16,662.12 and 5,842.12

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Solution

The fourth proportional to 11,117.89, 16,662.12 and 5,842.12 is: 8,755.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,117.89 : 16,662.12 = 5,842.12 : x
  2. Step 2: Convert to fraction form
    11,117.89/16,662.12 = 5,842.12/x
  3. Step 3: Cross multiply
    11,117.89x = 16,662.12 × 5,842.12
  4. Step 4: Simplify right side
    11,117.89x = 97,342,021.18
  5. Step 5: Solve for x
    x = 97,342,021.18/11,117.89
  6. Step 6: Final answer
    x = 8,755.44

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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.