Home / 12,165.20-18,246.23-3,846.06

Finding the Fourth Proportional to 12,165.20, 18,246.23 and 3,846.06

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Solution

The fourth proportional to 12,165.20, 18,246.23 and 3,846.06 is: 5,768.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,165.20 : 18,246.23 = 3,846.06 : x
  2. Step 2: Convert to fraction form
    12,165.20/18,246.23 = 3,846.06/x
  3. Step 3: Cross multiply
    12,165.20x = 18,246.23 × 3,846.06
  4. Step 4: Simplify right side
    12,165.20x = 70,176,090.55
  5. Step 5: Solve for x
    x = 70,176,090.55/12,165.20
  6. Step 6: Final answer
    x = 5,768.59

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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.