Home / 10,906.61-15,049.36-6,126.33

Finding the Fourth Proportional to 10,906.61, 15,049.36 and 6,126.33

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Solution

The fourth proportional to 10,906.61, 15,049.36 and 6,126.33 is: 8,453.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,906.61 : 15,049.36 = 6,126.33 : x
  2. Step 2: Convert to fraction form
    10,906.61/15,049.36 = 6,126.33/x
  3. Step 3: Cross multiply
    10,906.61x = 15,049.36 × 6,126.33
  4. Step 4: Simplify right side
    10,906.61x = 92,197,270.40
  5. Step 5: Solve for x
    x = 92,197,270.40/10,906.61
  6. Step 6: Final answer
    x = 8,453.34

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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.