Home / 12,099.06-16,696.08-8,119.62

Finding the Fourth Proportional to 12,099.06, 16,696.08 and 8,119.62

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Solution

The fourth proportional to 12,099.06, 16,696.08 and 8,119.62 is: 11,204.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,099.06 : 16,696.08 = 8,119.62 : x
  2. Step 2: Convert to fraction form
    12,099.06/16,696.08 = 8,119.62/x
  3. Step 3: Cross multiply
    12,099.06x = 16,696.08 × 8,119.62
  4. Step 4: Simplify right side
    12,099.06x = 135,565,825.09
  5. Step 5: Solve for x
    x = 135,565,825.09/12,099.06
  6. Step 6: Final answer
    x = 11,204.66

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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.