Home / 10,568.38-15,852.47-3,172.54

Finding the Fourth Proportional to 10,568.38, 15,852.47 and 3,172.54

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Solution

The fourth proportional to 10,568.38, 15,852.47 and 3,172.54 is: 4,758.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,568.38 : 15,852.47 = 3,172.54 : x
  2. Step 2: Convert to fraction form
    10,568.38/15,852.47 = 3,172.54/x
  3. Step 3: Cross multiply
    10,568.38x = 15,852.47 × 3,172.54
  4. Step 4: Simplify right side
    10,568.38x = 50,292,595.17
  5. Step 5: Solve for x
    x = 50,292,595.17/10,568.38
  6. Step 6: Final answer
    x = 4,758.78

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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.