Home / 12,396.68-18,580.98-6,161.04

Finding the Fourth Proportional to 12,396.68, 18,580.98 and 6,161.04

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Solution

The fourth proportional to 12,396.68, 18,580.98 and 6,161.04 is: 9,234.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,396.68 : 18,580.98 = 6,161.04 : x
  2. Step 2: Convert to fraction form
    12,396.68/18,580.98 = 6,161.04/x
  3. Step 3: Cross multiply
    12,396.68x = 18,580.98 × 6,161.04
  4. Step 4: Simplify right side
    12,396.68x = 114,478,161.02
  5. Step 5: Solve for x
    x = 114,478,161.02/12,396.68
  6. Step 6: Final answer
    x = 9,234.58

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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.