Home / 12,048.20-18,074.02-3,728.93

Finding the Fourth Proportional to 12,048.20, 18,074.02 and 3,728.93

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Solution

The fourth proportional to 12,048.20, 18,074.02 and 3,728.93 is: 5,593.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,048.20 : 18,074.02 = 3,728.93 : x
  2. Step 2: Convert to fraction form
    12,048.20/18,074.02 = 3,728.93/x
  3. Step 3: Cross multiply
    12,048.20x = 18,074.02 × 3,728.93
  4. Step 4: Simplify right side
    12,048.20x = 67,396,755.40
  5. Step 5: Solve for x
    x = 67,396,755.40/12,048.20
  6. Step 6: Final answer
    x = 5,593.93

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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.