Home / 10,907.93-16,361.89-3,116.75

Finding the Fourth Proportional to 10,907.93, 16,361.89 and 3,116.75

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Solution

The fourth proportional to 10,907.93, 16,361.89 and 3,116.75 is: 4,675.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,907.93 : 16,361.89 = 3,116.75 : x
  2. Step 2: Convert to fraction form
    10,907.93/16,361.89 = 3,116.75/x
  3. Step 3: Cross multiply
    10,907.93x = 16,361.89 × 3,116.75
  4. Step 4: Simplify right side
    10,907.93x = 50,995,848.59
  5. Step 5: Solve for x
    x = 50,995,848.59/10,907.93
  6. Step 6: Final answer
    x = 4,675.12

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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.