Home / 7,966.80-11,942.64-4,015.44

Finding the Fourth Proportional to 7,966.80, 11,942.64 and 4,015.44

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Solution

The fourth proportional to 7,966.80, 11,942.64 and 4,015.44 is: 6,019.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,966.80 : 11,942.64 = 4,015.44 : x
  2. Step 2: Convert to fraction form
    7,966.80/11,942.64 = 4,015.44/x
  3. Step 3: Cross multiply
    7,966.80x = 11,942.64 × 4,015.44
  4. Step 4: Simplify right side
    7,966.80x = 47,954,954.36
  5. Step 5: Solve for x
    x = 47,954,954.36/7,966.80
  6. Step 6: Final answer
    x = 6,019.35

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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.