Home / 12,093.46-18,140.28-3,328.86

Finding the Fourth Proportional to 12,093.46, 18,140.28 and 3,328.86

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Solution

The fourth proportional to 12,093.46, 18,140.28 and 3,328.86 is: 4,993.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,093.46 : 18,140.28 = 3,328.86 : x
  2. Step 2: Convert to fraction form
    12,093.46/18,140.28 = 3,328.86/x
  3. Step 3: Cross multiply
    12,093.46x = 18,140.28 × 3,328.86
  4. Step 4: Simplify right side
    12,093.46x = 60,386,452.48
  5. Step 5: Solve for x
    x = 60,386,452.48/12,093.46
  6. Step 6: Final answer
    x = 4,993.31

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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.