Home / 7,926.75-11,886.57-4,228.11

Finding the Fourth Proportional to 7,926.75, 11,886.57 and 4,228.11

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Solution

The fourth proportional to 7,926.75, 11,886.57 and 4,228.11 is: 6,340.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,926.75 : 11,886.57 = 4,228.11 : x
  2. Step 2: Convert to fraction form
    7,926.75/11,886.57 = 4,228.11/x
  3. Step 3: Cross multiply
    7,926.75x = 11,886.57 × 4,228.11
  4. Step 4: Simplify right side
    7,926.75x = 50,257,725.48
  5. Step 5: Solve for x
    x = 50,257,725.48/7,926.75
  6. Step 6: Final answer
    x = 6,340.27

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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.