Home / 12,449.09-18,662.43-4,546.09

Finding the Fourth Proportional to 12,449.09, 18,662.43 and 4,546.09

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Solution

The fourth proportional to 12,449.09, 18,662.43 and 4,546.09 is: 6,815.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,449.09 : 18,662.43 = 4,546.09 : x
  2. Step 2: Convert to fraction form
    12,449.09/18,662.43 = 4,546.09/x
  3. Step 3: Cross multiply
    12,449.09x = 18,662.43 × 4,546.09
  4. Step 4: Simplify right side
    12,449.09x = 84,841,086.40
  5. Step 5: Solve for x
    x = 84,841,086.40/12,449.09
  6. Step 6: Final answer
    x = 6,815.04

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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.