Home / 12,067.12-18,099.42-4,671.40

Finding the Fourth Proportional to 12,067.12, 18,099.42 and 4,671.40

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Solution

The fourth proportional to 12,067.12, 18,099.42 and 4,671.40 is: 7,006.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,067.12 : 18,099.42 = 4,671.40 : x
  2. Step 2: Convert to fraction form
    12,067.12/18,099.42 = 4,671.40/x
  3. Step 3: Cross multiply
    12,067.12x = 18,099.42 × 4,671.40
  4. Step 4: Simplify right side
    12,067.12x = 84,549,630.59
  5. Step 5: Solve for x
    x = 84,549,630.59/12,067.12
  6. Step 6: Final answer
    x = 7,006.61

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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.