Home / 6,946.96-10,439.88-3,486.64

Finding the Fourth Proportional to 6,946.96, 10,439.88 and 3,486.64

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Solution

The fourth proportional to 6,946.96, 10,439.88 and 3,486.64 is: 5,239.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,946.96 : 10,439.88 = 3,486.64 : x
  2. Step 2: Convert to fraction form
    6,946.96/10,439.88 = 3,486.64/x
  3. Step 3: Cross multiply
    6,946.96x = 10,439.88 × 3,486.64
  4. Step 4: Simplify right side
    6,946.96x = 36,400,103.20
  5. Step 5: Solve for x
    x = 36,400,103.20/6,946.96
  6. Step 6: Final answer
    x = 5,239.72

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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.