Home / 12,694.48-19,046.58-5,296.96

Finding the Fourth Proportional to 12,694.48, 19,046.58 and 5,296.96

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Solution

The fourth proportional to 12,694.48, 19,046.58 and 5,296.96 is: 7,947.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,694.48 : 19,046.58 = 5,296.96 : x
  2. Step 2: Convert to fraction form
    12,694.48/19,046.58 = 5,296.96/x
  3. Step 3: Cross multiply
    12,694.48x = 19,046.58 × 5,296.96
  4. Step 4: Simplify right side
    12,694.48x = 100,888,972.40
  5. Step 5: Solve for x
    x = 100,888,972.40/12,694.48
  6. Step 6: Final answer
    x = 7,947.47

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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.