Home / 12,076.02-18,113.40-3,755.43

Finding the Fourth Proportional to 12,076.02, 18,113.40 and 3,755.43

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Solution

The fourth proportional to 12,076.02, 18,113.40 and 3,755.43 is: 5,632.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,076.02 : 18,113.40 = 3,755.43 : x
  2. Step 2: Convert to fraction form
    12,076.02/18,113.40 = 3,755.43/x
  3. Step 3: Cross multiply
    12,076.02x = 18,113.40 × 3,755.43
  4. Step 4: Simplify right side
    12,076.02x = 68,023,605.76
  5. Step 5: Solve for x
    x = 68,023,605.76/12,076.02
  6. Step 6: Final answer
    x = 5,632.95

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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.