Home / 12,063.28-18,101.08-5,745.30

Finding the Fourth Proportional to 12,063.28, 18,101.08 and 5,745.30

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Solution

The fourth proportional to 12,063.28, 18,101.08 and 5,745.30 is: 8,620.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,063.28 : 18,101.08 = 5,745.30 : x
  2. Step 2: Convert to fraction form
    12,063.28/18,101.08 = 5,745.30/x
  3. Step 3: Cross multiply
    12,063.28x = 18,101.08 × 5,745.30
  4. Step 4: Simplify right side
    12,063.28x = 103,996,134.92
  5. Step 5: Solve for x
    x = 103,996,134.92/12,063.28
  6. Step 6: Final answer
    x = 8,620.88

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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.