Home / 12,696.18-19,033.32-6,126.98

Finding the Fourth Proportional to 12,696.18, 19,033.32 and 6,126.98

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Solution

The fourth proportional to 12,696.18, 19,033.32 and 6,126.98 is: 9,185.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,696.18 : 19,033.32 = 6,126.98 : x
  2. Step 2: Convert to fraction form
    12,696.18/19,033.32 = 6,126.98/x
  3. Step 3: Cross multiply
    12,696.18x = 19,033.32 × 6,126.98
  4. Step 4: Simplify right side
    12,696.18x = 116,616,770.97
  5. Step 5: Solve for x
    x = 116,616,770.97/12,696.18
  6. Step 6: Final answer
    x = 9,185.19

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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.