Home / 12,396.46-18,590.74-4,074.55

Finding the Fourth Proportional to 12,396.46, 18,590.74 and 4,074.55

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Solution

The fourth proportional to 12,396.46, 18,590.74 and 4,074.55 is: 6,110.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,396.46 : 18,590.74 = 4,074.55 : x
  2. Step 2: Convert to fraction form
    12,396.46/18,590.74 = 4,074.55/x
  3. Step 3: Cross multiply
    12,396.46x = 18,590.74 × 4,074.55
  4. Step 4: Simplify right side
    12,396.46x = 75,748,899.67
  5. Step 5: Solve for x
    x = 75,748,899.67/12,396.46
  6. Step 6: Final answer
    x = 6,110.53

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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.