Home / 9,078.94-13,611.12-4,146.04

Finding the Fourth Proportional to 9,078.94, 13,611.12 and 4,146.04

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Solution

The fourth proportional to 9,078.94, 13,611.12 and 4,146.04 is: 6,215.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,078.94 : 13,611.12 = 4,146.04 : x
  2. Step 2: Convert to fraction form
    9,078.94/13,611.12 = 4,146.04/x
  3. Step 3: Cross multiply
    9,078.94x = 13,611.12 × 4,146.04
  4. Step 4: Simplify right side
    9,078.94x = 56,432,247.96
  5. Step 5: Solve for x
    x = 56,432,247.96/9,078.94
  6. Step 6: Final answer
    x = 6,215.73

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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.