Home / 8,769.44-13,152.74-3,221.41

Finding the Fourth Proportional to 8,769.44, 13,152.74 and 3,221.41

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Solution

The fourth proportional to 8,769.44, 13,152.74 and 3,221.41 is: 4,831.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,769.44 : 13,152.74 = 3,221.41 : x
  2. Step 2: Convert to fraction form
    8,769.44/13,152.74 = 3,221.41/x
  3. Step 3: Cross multiply
    8,769.44x = 13,152.74 × 3,221.41
  4. Step 4: Simplify right side
    8,769.44x = 42,370,368.16
  5. Step 5: Solve for x
    x = 42,370,368.16/8,769.44
  6. Step 6: Final answer
    x = 4,831.59

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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.