Home / 10,568.09-15,851.48-3,172.67

Finding the Fourth Proportional to 10,568.09, 15,851.48 and 3,172.67

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Solution

The fourth proportional to 10,568.09, 15,851.48 and 3,172.67 is: 4,758.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,568.09 : 15,851.48 = 3,172.67 : x
  2. Step 2: Convert to fraction form
    10,568.09/15,851.48 = 3,172.67/x
  3. Step 3: Cross multiply
    10,568.09x = 15,851.48 × 3,172.67
  4. Step 4: Simplify right side
    10,568.09x = 50,291,419.93
  5. Step 5: Solve for x
    x = 50,291,419.93/10,568.09
  6. Step 6: Final answer
    x = 4,758.80

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.