Home / 12,940.58-19,394.66-5,536.37

Finding the Fourth Proportional to 12,940.58, 19,394.66 and 5,536.37

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Solution

The fourth proportional to 12,940.58, 19,394.66 and 5,536.37 is: 8,297.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,940.58 : 19,394.66 = 5,536.37 : x
  2. Step 2: Convert to fraction form
    12,940.58/19,394.66 = 5,536.37/x
  3. Step 3: Cross multiply
    12,940.58x = 19,394.66 × 5,536.37
  4. Step 4: Simplify right side
    12,940.58x = 107,376,076.11
  5. Step 5: Solve for x
    x = 107,376,076.11/12,940.58
  6. Step 6: Final answer
    x = 8,297.62

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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.