Home / 10,113.62-15,172.65-3,093.68

Finding the Fourth Proportional to 10,113.62, 15,172.65 and 3,093.68

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Solution

The fourth proportional to 10,113.62, 15,172.65 and 3,093.68 is: 4,641.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,113.62 : 15,172.65 = 3,093.68 : x
  2. Step 2: Convert to fraction form
    10,113.62/15,172.65 = 3,093.68/x
  3. Step 3: Cross multiply
    10,113.62x = 15,172.65 × 3,093.68
  4. Step 4: Simplify right side
    10,113.62x = 46,939,361.78
  5. Step 5: Solve for x
    x = 46,939,361.78/10,113.62
  6. Step 6: Final answer
    x = 4,641.21

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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.