Home / 6,967.90-10,455.36-2,586.34

Finding the Fourth Proportional to 6,967.90, 10,455.36 and 2,586.34

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Solution

The fourth proportional to 6,967.90, 10,455.36 and 2,586.34 is: 3,880.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,967.90 : 10,455.36 = 2,586.34 : x
  2. Step 2: Convert to fraction form
    6,967.90/10,455.36 = 2,586.34/x
  3. Step 3: Cross multiply
    6,967.90x = 10,455.36 × 2,586.34
  4. Step 4: Simplify right side
    6,967.90x = 27,041,115.78
  5. Step 5: Solve for x
    x = 27,041,115.78/6,967.90
  6. Step 6: Final answer
    x = 3,880.81

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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.