Home / 12,079.44-18,113.64-3,756.96

Finding the Fourth Proportional to 12,079.44, 18,113.64 and 3,756.96

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Solution

The fourth proportional to 12,079.44, 18,113.64 and 3,756.96 is: 5,633.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,079.44 : 18,113.64 = 3,756.96 : x
  2. Step 2: Convert to fraction form
    12,079.44/18,113.64 = 3,756.96/x
  3. Step 3: Cross multiply
    12,079.44x = 18,113.64 × 3,756.96
  4. Step 4: Simplify right side
    12,079.44x = 68,052,220.93
  5. Step 5: Solve for x
    x = 68,052,220.93/12,079.44
  6. Step 6: Final answer
    x = 5,633.72

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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.