Home / 12,449.98-18,682.26-6,907.96

Finding the Fourth Proportional to 12,449.98, 18,682.26 and 6,907.96

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Solution

The fourth proportional to 12,449.98, 18,682.26 and 6,907.96 is: 10,365.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,449.98 : 18,682.26 = 6,907.96 : x
  2. Step 2: Convert to fraction form
    12,449.98/18,682.26 = 6,907.96/x
  3. Step 3: Cross multiply
    12,449.98x = 18,682.26 × 6,907.96
  4. Step 4: Simplify right side
    12,449.98x = 129,056,304.79
  5. Step 5: Solve for x
    x = 129,056,304.79/12,449.98
  6. Step 6: Final answer
    x = 10,365.98

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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.