Home / 12,396.71-18,596.99-4,074.84

Finding the Fourth Proportional to 12,396.71, 18,596.99 and 4,074.84

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Solution

The fourth proportional to 12,396.71, 18,596.99 and 4,074.84 is: 6,112.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,396.71 : 18,596.99 = 4,074.84 : x
  2. Step 2: Convert to fraction form
    12,396.71/18,596.99 = 4,074.84/x
  3. Step 3: Cross multiply
    12,396.71x = 18,596.99 × 4,074.84
  4. Step 4: Simplify right side
    12,396.71x = 75,779,768.92
  5. Step 5: Solve for x
    x = 75,779,768.92/12,396.71
  6. Step 6: Final answer
    x = 6,112.89

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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.