Home / 12,197.06-18,207.33-11,283.99

Finding the Fourth Proportional to 12,197.06, 18,207.33 and 11,283.99

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Solution

The fourth proportional to 12,197.06, 18,207.33 and 11,283.99 is: 16,844.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,197.06 : 18,207.33 = 11,283.99 : x
  2. Step 2: Convert to fraction form
    12,197.06/18,207.33 = 11,283.99/x
  3. Step 3: Cross multiply
    12,197.06x = 18,207.33 × 11,283.99
  4. Step 4: Simplify right side
    12,197.06x = 205,451,219.05
  5. Step 5: Solve for x
    x = 205,451,219.05/12,197.06
  6. Step 6: Final answer
    x = 16,844.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.