Home / 8,485.06-12,722.76-3,486.01

Finding the Fourth Proportional to 8,485.06, 12,722.76 and 3,486.01

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Solution

The fourth proportional to 8,485.06, 12,722.76 and 3,486.01 is: 5,227.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,485.06 : 12,722.76 = 3,486.01 : x
  2. Step 2: Convert to fraction form
    8,485.06/12,722.76 = 3,486.01/x
  3. Step 3: Cross multiply
    8,485.06x = 12,722.76 × 3,486.01
  4. Step 4: Simplify right side
    8,485.06x = 44,351,668.59
  5. Step 5: Solve for x
    x = 44,351,668.59/8,485.06
  6. Step 6: Final answer
    x = 5,227.03

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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.