Home / 12,097.95-18,150.54-3,778.84

Finding the Fourth Proportional to 12,097.95, 18,150.54 and 3,778.84

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Solution

The fourth proportional to 12,097.95, 18,150.54 and 3,778.84 is: 5,669.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,097.95 : 18,150.54 = 3,778.84 : x
  2. Step 2: Convert to fraction form
    12,097.95/18,150.54 = 3,778.84/x
  3. Step 3: Cross multiply
    12,097.95x = 18,150.54 × 3,778.84
  4. Step 4: Simplify right side
    12,097.95x = 68,587,986.57
  5. Step 5: Solve for x
    x = 68,587,986.57/12,097.95
  6. Step 6: Final answer
    x = 5,669.39

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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.