Home / 12,365.12-18,550.72-3,600.11

Finding the Fourth Proportional to 12,365.12, 18,550.72 and 3,600.11

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Solution

The fourth proportional to 12,365.12, 18,550.72 and 3,600.11 is: 5,401.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,365.12 : 18,550.72 = 3,600.11 : x
  2. Step 2: Convert to fraction form
    12,365.12/18,550.72 = 3,600.11/x
  3. Step 3: Cross multiply
    12,365.12x = 18,550.72 × 3,600.11
  4. Step 4: Simplify right side
    12,365.12x = 66,784,632.58
  5. Step 5: Solve for x
    x = 66,784,632.58/12,365.12
  6. Step 6: Final answer
    x = 5,401.05

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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.