Home / 6,942.16-10,399.80-6,166.48

Finding the Fourth Proportional to 6,942.16, 10,399.80 and 6,166.48

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Solution

The fourth proportional to 6,942.16, 10,399.80 and 6,166.48 is: 9,237.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,942.16 : 10,399.80 = 6,166.48 : x
  2. Step 2: Convert to fraction form
    6,942.16/10,399.80 = 6,166.48/x
  3. Step 3: Cross multiply
    6,942.16x = 10,399.80 × 6,166.48
  4. Step 4: Simplify right side
    6,942.16x = 64,130,158.70
  5. Step 5: Solve for x
    x = 64,130,158.70/6,942.16
  6. Step 6: Final answer
    x = 9,237.78

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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.