Home / 12,706.42-19,060.02-3,941.38

Finding the Fourth Proportional to 12,706.42, 19,060.02 and 3,941.38

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Solution

The fourth proportional to 12,706.42, 19,060.02 and 3,941.38 is: 5,912.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,706.42 : 19,060.02 = 3,941.38 : x
  2. Step 2: Convert to fraction form
    12,706.42/19,060.02 = 3,941.38/x
  3. Step 3: Cross multiply
    12,706.42x = 19,060.02 × 3,941.38
  4. Step 4: Simplify right side
    12,706.42x = 75,122,781.63
  5. Step 5: Solve for x
    x = 75,122,781.63/12,706.42
  6. Step 6: Final answer
    x = 5,912.19

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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.