Home / 10,812.73-16,212.60-4,231.07

Finding the Fourth Proportional to 10,812.73, 16,212.60 and 4,231.07

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Solution

The fourth proportional to 10,812.73, 16,212.60 and 4,231.07 is: 6,344.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,812.73 : 16,212.60 = 4,231.07 : x
  2. Step 2: Convert to fraction form
    10,812.73/16,212.60 = 4,231.07/x
  3. Step 3: Cross multiply
    10,812.73x = 16,212.60 × 4,231.07
  4. Step 4: Simplify right side
    10,812.73x = 68,596,645.48
  5. Step 5: Solve for x
    x = 68,596,645.48/10,812.73
  6. Step 6: Final answer
    x = 6,344.06

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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.