Home / 10,949.21-15,109.92-6,233.49

Finding the Fourth Proportional to 10,949.21, 15,109.92 and 6,233.49

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Solution

The fourth proportional to 10,949.21, 15,109.92 and 6,233.49 is: 8,602.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,949.21 : 15,109.92 = 6,233.49 : x
  2. Step 2: Convert to fraction form
    10,949.21/15,109.92 = 6,233.49/x
  3. Step 3: Cross multiply
    10,949.21x = 15,109.92 × 6,233.49
  4. Step 4: Simplify right side
    10,949.21x = 94,187,535.22
  5. Step 5: Solve for x
    x = 94,187,535.22/10,949.21
  6. Step 6: Final answer
    x = 8,602.22

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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.