Home / 12,736.42-19,105.12-6,069.48

Finding the Fourth Proportional to 12,736.42, 19,105.12 and 6,069.48

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Solution

The fourth proportional to 12,736.42, 19,105.12 and 6,069.48 is: 9,104.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,736.42 : 19,105.12 = 6,069.48 : x
  2. Step 2: Convert to fraction form
    12,736.42/19,105.12 = 6,069.48/x
  3. Step 3: Cross multiply
    12,736.42x = 19,105.12 × 6,069.48
  4. Step 4: Simplify right side
    12,736.42x = 115,958,143.74
  5. Step 5: Solve for x
    x = 115,958,143.74/12,736.42
  6. Step 6: Final answer
    x = 9,104.45

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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.