Home / 12,481.79-18,713.43-5,900.28

Finding the Fourth Proportional to 12,481.79, 18,713.43 and 5,900.28

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Solution

The fourth proportional to 12,481.79, 18,713.43 and 5,900.28 is: 8,846.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,481.79 : 18,713.43 = 5,900.28 : x
  2. Step 2: Convert to fraction form
    12,481.79/18,713.43 = 5,900.28/x
  3. Step 3: Cross multiply
    12,481.79x = 18,713.43 × 5,900.28
  4. Step 4: Simplify right side
    12,481.79x = 110,414,476.76
  5. Step 5: Solve for x
    x = 110,414,476.76/12,481.79
  6. Step 6: Final answer
    x = 8,846.05

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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.