Home / 12,849.82-19,274.92-7,043.34

Finding the Fourth Proportional to 12,849.82, 19,274.92 and 7,043.34

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Solution

The fourth proportional to 12,849.82, 19,274.92 and 7,043.34 is: 10,565.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,849.82 : 19,274.92 = 7,043.34 : x
  2. Step 2: Convert to fraction form
    12,849.82/19,274.92 = 7,043.34/x
  3. Step 3: Cross multiply
    12,849.82x = 19,274.92 × 7,043.34
  4. Step 4: Simplify right side
    12,849.82x = 135,759,815.03
  5. Step 5: Solve for x
    x = 135,759,815.03/12,849.82
  6. Step 6: Final answer
    x = 10,565.11

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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.