Home / 12,505.44-18,771.36-5,937.12

Finding the Fourth Proportional to 12,505.44, 18,771.36 and 5,937.12

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Solution

The fourth proportional to 12,505.44, 18,771.36 and 5,937.12 is: 8,911.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,505.44 : 18,771.36 = 5,937.12 : x
  2. Step 2: Convert to fraction form
    12,505.44/18,771.36 = 5,937.12/x
  3. Step 3: Cross multiply
    12,505.44x = 18,771.36 × 5,937.12
  4. Step 4: Simplify right side
    12,505.44x = 111,447,816.88
  5. Step 5: Solve for x
    x = 111,447,816.88/12,505.44
  6. Step 6: Final answer
    x = 8,911.95

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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.