Home / 12,396.51-18,590.82-4,074.60

Finding the Fourth Proportional to 12,396.51, 18,590.82 and 4,074.60

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Solution

The fourth proportional to 12,396.51, 18,590.82 and 4,074.60 is: 6,110.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,396.51 : 18,590.82 = 4,074.60 : x
  2. Step 2: Convert to fraction form
    12,396.51/18,590.82 = 4,074.60/x
  3. Step 3: Cross multiply
    12,396.51x = 18,590.82 × 4,074.60
  4. Step 4: Simplify right side
    12,396.51x = 75,750,209.61
  5. Step 5: Solve for x
    x = 75,750,209.61/12,396.51
  6. Step 6: Final answer
    x = 6,110.61

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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.