Home / 12,708.96-19,067.04-5,316.96

Finding the Fourth Proportional to 12,708.96, 19,067.04 and 5,316.96

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Solution

The fourth proportional to 12,708.96, 19,067.04 and 5,316.96 is: 7,976.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,708.96 : 19,067.04 = 5,316.96 : x
  2. Step 2: Convert to fraction form
    12,708.96/19,067.04 = 5,316.96/x
  3. Step 3: Cross multiply
    12,708.96x = 19,067.04 × 5,316.96
  4. Step 4: Simplify right side
    12,708.96x = 101,378,689.00
  5. Step 5: Solve for x
    x = 101,378,689.00/12,708.96
  6. Step 6: Final answer
    x = 7,976.95

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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.