Home / 12,227.90-16,875.44-6,850.07

Finding the Fourth Proportional to 12,227.90, 16,875.44 and 6,850.07

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Solution

The fourth proportional to 12,227.90, 16,875.44 and 6,850.07 is: 9,453.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,227.90 : 16,875.44 = 6,850.07 : x
  2. Step 2: Convert to fraction form
    12,227.90/16,875.44 = 6,850.07/x
  3. Step 3: Cross multiply
    12,227.90x = 16,875.44 × 6,850.07
  4. Step 4: Simplify right side
    12,227.90x = 115,597,915.62
  5. Step 5: Solve for x
    x = 115,597,915.62/12,227.90
  6. Step 6: Final answer
    x = 9,453.62

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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.