Home / 12,099.63-18,149.88-3,335.22

Finding the Fourth Proportional to 12,099.63, 18,149.88 and 3,335.22

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Solution

The fourth proportional to 12,099.63, 18,149.88 and 3,335.22 is: 5,002.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,099.63 : 18,149.88 = 3,335.22 : x
  2. Step 2: Convert to fraction form
    12,099.63/18,149.88 = 3,335.22/x
  3. Step 3: Cross multiply
    12,099.63x = 18,149.88 × 3,335.22
  4. Step 4: Simplify right side
    12,099.63x = 60,533,842.77
  5. Step 5: Solve for x
    x = 60,533,842.77/12,099.63
  6. Step 6: Final answer
    x = 5,002.95

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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.