Home / 12,102.41-18,161.41-5,176.97

Finding the Fourth Proportional to 12,102.41, 18,161.41 and 5,176.97

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Solution

The fourth proportional to 12,102.41, 18,161.41 and 5,176.97 is: 7,768.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,102.41 : 18,161.41 = 5,176.97 : x
  2. Step 2: Convert to fraction form
    12,102.41/18,161.41 = 5,176.97/x
  3. Step 3: Cross multiply
    12,102.41x = 18,161.41 × 5,176.97
  4. Step 4: Simplify right side
    12,102.41x = 94,020,970.98
  5. Step 5: Solve for x
    x = 94,020,970.98/12,102.41
  6. Step 6: Final answer
    x = 7,768.78

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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.