Home / 12,117.75-18,176.60-3,352.64

Finding the Fourth Proportional to 12,117.75, 18,176.60 and 3,352.64

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Solution

The fourth proportional to 12,117.75, 18,176.60 and 3,352.64 is: 5,028.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,117.75 : 18,176.60 = 3,352.64 : x
  2. Step 2: Convert to fraction form
    12,117.75/18,176.60 = 3,352.64/x
  3. Step 3: Cross multiply
    12,117.75x = 18,176.60 × 3,352.64
  4. Step 4: Simplify right side
    12,117.75x = 60,939,615.97
  5. Step 5: Solve for x
    x = 60,939,615.97/12,117.75
  6. Step 6: Final answer
    x = 5,028.95

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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.