Home / 12,038.66-18,057.98-3,274.86

Finding the Fourth Proportional to 12,038.66, 18,057.98 and 3,274.86

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Solution

The fourth proportional to 12,038.66, 18,057.98 and 3,274.86 is: 4,912.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,038.66 : 18,057.98 = 3,274.86 : x
  2. Step 2: Convert to fraction form
    12,038.66/18,057.98 = 3,274.86/x
  3. Step 3: Cross multiply
    12,038.66x = 18,057.98 × 3,274.86
  4. Step 4: Simplify right side
    12,038.66x = 59,137,364.57
  5. Step 5: Solve for x
    x = 59,137,364.57/12,038.66
  6. Step 6: Final answer
    x = 4,912.29

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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.