Home / 12,212.08-18,307.32-5,968.60

Finding the Fourth Proportional to 12,212.08, 18,307.32 and 5,968.60

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Solution

The fourth proportional to 12,212.08, 18,307.32 and 5,968.60 is: 8,947.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,212.08 : 18,307.32 = 5,968.60 : x
  2. Step 2: Convert to fraction form
    12,212.08/18,307.32 = 5,968.60/x
  3. Step 3: Cross multiply
    12,212.08x = 18,307.32 × 5,968.60
  4. Step 4: Simplify right side
    12,212.08x = 109,269,070.15
  5. Step 5: Solve for x
    x = 109,269,070.15/12,212.08
  6. Step 6: Final answer
    x = 8,947.62

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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.