Home / 7,963.80-11,938.14-4,012.44

Finding the Fourth Proportional to 7,963.80, 11,938.14 and 4,012.44

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Solution

The fourth proportional to 7,963.80, 11,938.14 and 4,012.44 is: 6,014.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,963.80 : 11,938.14 = 4,012.44 : x
  2. Step 2: Convert to fraction form
    7,963.80/11,938.14 = 4,012.44/x
  3. Step 3: Cross multiply
    7,963.80x = 11,938.14 × 4,012.44
  4. Step 4: Simplify right side
    7,963.80x = 47,901,070.46
  5. Step 5: Solve for x
    x = 47,901,070.46/7,963.80
  6. Step 6: Final answer
    x = 6,014.85

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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.