Home / 12,119.41-16,792.27-11,856.97

Finding the Fourth Proportional to 12,119.41, 16,792.27 and 11,856.97

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Solution

The fourth proportional to 12,119.41, 16,792.27 and 11,856.97 is: 16,428.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,119.41 : 16,792.27 = 11,856.97 : x
  2. Step 2: Convert to fraction form
    12,119.41/16,792.27 = 11,856.97/x
  3. Step 3: Cross multiply
    12,119.41x = 16,792.27 × 11,856.97
  4. Step 4: Simplify right side
    12,119.41x = 199,105,441.62
  5. Step 5: Solve for x
    x = 199,105,441.62/12,119.41
  6. Step 6: Final answer
    x = 16,428.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.