Home / 6,993.36-10,486.72-4,072.48

Finding the Fourth Proportional to 6,993.36, 10,486.72 and 4,072.48

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Solution

The fourth proportional to 6,993.36, 10,486.72 and 4,072.48 is: 6,106.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,993.36 : 10,486.72 = 4,072.48 : x
  2. Step 2: Convert to fraction form
    6,993.36/10,486.72 = 4,072.48/x
  3. Step 3: Cross multiply
    6,993.36x = 10,486.72 × 4,072.48
  4. Step 4: Simplify right side
    6,993.36x = 42,706,957.47
  5. Step 5: Solve for x
    x = 42,706,957.47/6,993.36
  6. Step 6: Final answer
    x = 6,106.79

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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.