Home / 12,072.18-18,106.74-4,671.59

Finding the Fourth Proportional to 12,072.18, 18,106.74 and 4,671.59

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Solution

The fourth proportional to 12,072.18, 18,106.74 and 4,671.59 is: 7,006.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,072.18 : 18,106.74 = 4,671.59 : x
  2. Step 2: Convert to fraction form
    12,072.18/18,106.74 = 4,671.59/x
  3. Step 3: Cross multiply
    12,072.18x = 18,106.74 × 4,671.59
  4. Step 4: Simplify right side
    12,072.18x = 84,587,174.98
  5. Step 5: Solve for x
    x = 84,587,174.98/12,072.18
  6. Step 6: Final answer
    x = 7,006.78

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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.