Home / 8,628.41-11,906.85-4,851.89

Finding the Fourth Proportional to 8,628.41, 11,906.85 and 4,851.89

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Solution

The fourth proportional to 8,628.41, 11,906.85 and 4,851.89 is: 6,695.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,628.41 : 11,906.85 = 4,851.89 : x
  2. Step 2: Convert to fraction form
    8,628.41/11,906.85 = 4,851.89/x
  3. Step 3: Cross multiply
    8,628.41x = 11,906.85 × 4,851.89
  4. Step 4: Simplify right side
    8,628.41x = 57,770,726.45
  5. Step 5: Solve for x
    x = 57,770,726.45/8,628.41
  6. Step 6: Final answer
    x = 6,695.41

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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.