Home / 8,568.28-12,849.36-3,303.68

Finding the Fourth Proportional to 8,568.28, 12,849.36 and 3,303.68

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Solution

The fourth proportional to 8,568.28, 12,849.36 and 3,303.68 is: 4,954.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,568.28 : 12,849.36 = 3,303.68 : x
  2. Step 2: Convert to fraction form
    8,568.28/12,849.36 = 3,303.68/x
  3. Step 3: Cross multiply
    8,568.28x = 12,849.36 × 3,303.68
  4. Step 4: Simplify right side
    8,568.28x = 42,450,173.64
  5. Step 5: Solve for x
    x = 42,450,173.64/8,568.28
  6. Step 6: Final answer
    x = 4,954.34

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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.