Home / 12,113.26-18,168.26-3,349.06

Finding the Fourth Proportional to 12,113.26, 18,168.26 and 3,349.06

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Solution

The fourth proportional to 12,113.26, 18,168.26 and 3,349.06 is: 5,023.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,113.26 : 18,168.26 = 3,349.06 : x
  2. Step 2: Convert to fraction form
    12,113.26/18,168.26 = 3,349.06/x
  3. Step 3: Cross multiply
    12,113.26x = 18,168.26 × 3,349.06
  4. Step 4: Simplify right side
    12,113.26x = 60,846,592.84
  5. Step 5: Solve for x
    x = 60,846,592.84/12,113.26
  6. Step 6: Final answer
    x = 5,023.14

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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.