Home / 6,966.60-10,450.80-3,458.40

Finding the Fourth Proportional to 6,966.60, 10,450.80 and 3,458.40

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Solution

The fourth proportional to 6,966.60, 10,450.80 and 3,458.40 is: 5,188.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,966.60 : 10,450.80 = 3,458.40 : x
  2. Step 2: Convert to fraction form
    6,966.60/10,450.80 = 3,458.40/x
  3. Step 3: Cross multiply
    6,966.60x = 10,450.80 × 3,458.40
  4. Step 4: Simplify right side
    6,966.60x = 36,143,046.72
  5. Step 5: Solve for x
    x = 36,143,046.72/6,966.60
  6. Step 6: Final answer
    x = 5,188.05

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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.