Home / 12,028.66-16,599.60-6,724.78

Finding the Fourth Proportional to 12,028.66, 16,599.60 and 6,724.78

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Solution

The fourth proportional to 12,028.66, 16,599.60 and 6,724.78 is: 9,280.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,028.66 : 16,599.60 = 6,724.78 : x
  2. Step 2: Convert to fraction form
    12,028.66/16,599.60 = 6,724.78/x
  3. Step 3: Cross multiply
    12,028.66x = 16,599.60 × 6,724.78
  4. Step 4: Simplify right side
    12,028.66x = 111,628,658.09
  5. Step 5: Solve for x
    x = 111,628,658.09/12,028.66
  6. Step 6: Final answer
    x = 9,280.22

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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.