Home / 12,550.97-18,814.21-5,975.39

Finding the Fourth Proportional to 12,550.97, 18,814.21 and 5,975.39

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Solution

The fourth proportional to 12,550.97, 18,814.21 and 5,975.39 is: 8,957.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,550.97 : 18,814.21 = 5,975.39 : x
  2. Step 2: Convert to fraction form
    12,550.97/18,814.21 = 5,975.39/x
  3. Step 3: Cross multiply
    12,550.97x = 18,814.21 × 5,975.39
  4. Step 4: Simplify right side
    12,550.97x = 112,422,133.28
  5. Step 5: Solve for x
    x = 112,422,133.28/12,550.97
  6. Step 6: Final answer
    x = 8,957.25

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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.