Home / 11,970.06-17,959.41-4,180.02

Finding the Fourth Proportional to 11,970.06, 17,959.41 and 4,180.02

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Solution

The fourth proportional to 11,970.06, 17,959.41 and 4,180.02 is: 6,271.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,970.06 : 17,959.41 = 4,180.02 : x
  2. Step 2: Convert to fraction form
    11,970.06/17,959.41 = 4,180.02/x
  3. Step 3: Cross multiply
    11,970.06x = 17,959.41 × 4,180.02
  4. Step 4: Simplify right side
    11,970.06x = 75,070,692.99
  5. Step 5: Solve for x
    x = 75,070,692.99/11,970.06
  6. Step 6: Final answer
    x = 6,271.54

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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.