Home / 12,230.70-16,878.44-6,926.55

Finding the Fourth Proportional to 12,230.70, 16,878.44 and 6,926.55

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Solution

The fourth proportional to 12,230.70, 16,878.44 and 6,926.55 is: 9,558.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,230.70 : 16,878.44 = 6,926.55 : x
  2. Step 2: Convert to fraction form
    12,230.70/16,878.44 = 6,926.55/x
  3. Step 3: Cross multiply
    12,230.70x = 16,878.44 × 6,926.55
  4. Step 4: Simplify right side
    12,230.70x = 116,909,413.22
  5. Step 5: Solve for x
    x = 116,909,413.22/12,230.70
  6. Step 6: Final answer
    x = 9,558.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.