Home / 12,108.33-18,163.40-3,343.16

Finding the Fourth Proportional to 12,108.33, 18,163.40 and 3,343.16

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Solution

The fourth proportional to 12,108.33, 18,163.40 and 3,343.16 is: 5,014.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,108.33 : 18,163.40 = 3,343.16 : x
  2. Step 2: Convert to fraction form
    12,108.33/18,163.40 = 3,343.16/x
  3. Step 3: Cross multiply
    12,108.33x = 18,163.40 × 3,343.16
  4. Step 4: Simplify right side
    12,108.33x = 60,723,152.34
  5. Step 5: Solve for x
    x = 60,723,152.34/12,108.33
  6. Step 6: Final answer
    x = 5,014.99

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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.