Home / 10,568.80-15,854.01-3,172.69

Finding the Fourth Proportional to 10,568.80, 15,854.01 and 3,172.69

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Solution

The fourth proportional to 10,568.80, 15,854.01 and 3,172.69 is: 4,759.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,568.80 : 15,854.01 = 3,172.69 : x
  2. Step 2: Convert to fraction form
    10,568.80/15,854.01 = 3,172.69/x
  3. Step 3: Cross multiply
    10,568.80x = 15,854.01 × 3,172.69
  4. Step 4: Simplify right side
    10,568.80x = 50,299,858.99
  5. Step 5: Solve for x
    x = 50,299,858.99/10,568.80
  6. Step 6: Final answer
    x = 4,759.28

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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.