Home / 12,074.88-16,662.48-6,697.60

Finding the Fourth Proportional to 12,074.88, 16,662.48 and 6,697.60

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Solution

The fourth proportional to 12,074.88, 16,662.48 and 6,697.60 is: 9,242.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,074.88 : 16,662.48 = 6,697.60 : x
  2. Step 2: Convert to fraction form
    12,074.88/16,662.48 = 6,697.60/x
  3. Step 3: Cross multiply
    12,074.88x = 16,662.48 × 6,697.60
  4. Step 4: Simplify right side
    12,074.88x = 111,598,626.05
  5. Step 5: Solve for x
    x = 111,598,626.05/12,074.88
  6. Step 6: Final answer
    x = 9,242.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.