Home / 12,706.56-19,063.08-3,941.55

Finding the Fourth Proportional to 12,706.56, 19,063.08 and 3,941.55

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Solution

The fourth proportional to 12,706.56, 19,063.08 and 3,941.55 is: 5,913.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,706.56 : 19,063.08 = 3,941.55 : x
  2. Step 2: Convert to fraction form
    12,706.56/19,063.08 = 3,941.55/x
  3. Step 3: Cross multiply
    12,706.56x = 19,063.08 × 3,941.55
  4. Step 4: Simplify right side
    12,706.56x = 75,138,082.97
  5. Step 5: Solve for x
    x = 75,138,082.97/12,706.56
  6. Step 6: Final answer
    x = 5,913.33

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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.