Home / 8,021.93-12,033.03-2,178.39

Finding the Fourth Proportional to 8,021.93, 12,033.03 and 2,178.39

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Solution

The fourth proportional to 8,021.93, 12,033.03 and 2,178.39 is: 3,267.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,021.93 : 12,033.03 = 2,178.39 : x
  2. Step 2: Convert to fraction form
    8,021.93/12,033.03 = 2,178.39/x
  3. Step 3: Cross multiply
    8,021.93x = 12,033.03 × 2,178.39
  4. Step 4: Simplify right side
    8,021.93x = 26,212,632.22
  5. Step 5: Solve for x
    x = 26,212,632.22/8,021.93
  6. Step 6: Final answer
    x = 3,267.62

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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.