Home / 12,042.02-18,033.63-8,333.78

Finding the Fourth Proportional to 12,042.02, 18,033.63 and 8,333.78

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Solution

The fourth proportional to 12,042.02, 18,033.63 and 8,333.78 is: 12,480.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,042.02 : 18,033.63 = 8,333.78 : x
  2. Step 2: Convert to fraction form
    12,042.02/18,033.63 = 8,333.78/x
  3. Step 3: Cross multiply
    12,042.02x = 18,033.63 × 8,333.78
  4. Step 4: Simplify right side
    12,042.02x = 150,288,305.02
  5. Step 5: Solve for x
    x = 150,288,305.02/12,042.02
  6. Step 6: Final answer
    x = 12,480.32

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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.