Home / 7,907.80-11,867.46-2,718.04

Finding the Fourth Proportional to 7,907.80, 11,867.46 and 2,718.04

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Solution

The fourth proportional to 7,907.80, 11,867.46 and 2,718.04 is: 4,079.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,907.80 : 11,867.46 = 2,718.04 : x
  2. Step 2: Convert to fraction form
    7,907.80/11,867.46 = 2,718.04/x
  3. Step 3: Cross multiply
    7,907.80x = 11,867.46 × 2,718.04
  4. Step 4: Simplify right side
    7,907.80x = 32,256,230.98
  5. Step 5: Solve for x
    x = 32,256,230.98/7,907.80
  6. Step 6: Final answer
    x = 4,079.04

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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.