Home / 10,907.04-16,361.28-3,115.68

Finding the Fourth Proportional to 10,907.04, 16,361.28 and 3,115.68

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Solution

The fourth proportional to 10,907.04, 16,361.28 and 3,115.68 is: 4,673.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,907.04 : 16,361.28 = 3,115.68 : x
  2. Step 2: Convert to fraction form
    10,907.04/16,361.28 = 3,115.68/x
  3. Step 3: Cross multiply
    10,907.04x = 16,361.28 × 3,115.68
  4. Step 4: Simplify right side
    10,907.04x = 50,976,512.87
  5. Step 5: Solve for x
    x = 50,976,512.87/10,907.04
  6. Step 6: Final answer
    x = 4,673.73

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1.5x scale

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.