Home / 10,949.06-15,108.48-6,169.22

Finding the Fourth Proportional to 10,949.06, 15,108.48 and 6,169.22

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Solution

The fourth proportional to 10,949.06, 15,108.48 and 6,169.22 is: 8,512.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,949.06 : 15,108.48 = 6,169.22 : x
  2. Step 2: Convert to fraction form
    10,949.06/15,108.48 = 6,169.22/x
  3. Step 3: Cross multiply
    10,949.06x = 15,108.48 × 6,169.22
  4. Step 4: Simplify right side
    10,949.06x = 93,207,536.99
  5. Step 5: Solve for x
    x = 93,207,536.99/10,949.06
  6. Step 6: Final answer
    x = 8,512.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.