Home / 12,180.73-18,271.77-5,946.06

Finding the Fourth Proportional to 12,180.73, 18,271.77 and 5,946.06

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Solution

The fourth proportional to 12,180.73, 18,271.77 and 5,946.06 is: 8,919.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,180.73 : 18,271.77 = 5,946.06 : x
  2. Step 2: Convert to fraction form
    12,180.73/18,271.77 = 5,946.06/x
  3. Step 3: Cross multiply
    12,180.73x = 18,271.77 × 5,946.06
  4. Step 4: Simplify right side
    12,180.73x = 108,645,040.73
  5. Step 5: Solve for x
    x = 108,645,040.73/12,180.73
  6. Step 6: Final answer
    x = 8,919.42

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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.