Home / 12,512.24-18,742.36-5,943.60

Finding the Fourth Proportional to 12,512.24, 18,742.36 and 5,943.60

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Solution

The fourth proportional to 12,512.24, 18,742.36 and 5,943.60 is: 8,903.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,512.24 : 18,742.36 = 5,943.60 : x
  2. Step 2: Convert to fraction form
    12,512.24/18,742.36 = 5,943.60/x
  3. Step 3: Cross multiply
    12,512.24x = 18,742.36 × 5,943.60
  4. Step 4: Simplify right side
    12,512.24x = 111,397,090.90
  5. Step 5: Solve for x
    x = 111,397,090.90/12,512.24
  6. Step 6: Final answer
    x = 8,903.05

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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.