Home / 6,986.87-10,480.07-2,056.59

Finding the Fourth Proportional to 6,986.87, 10,480.07 and 2,056.59

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Solution

The fourth proportional to 6,986.87, 10,480.07 and 2,056.59 is: 3,084.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,986.87 : 10,480.07 = 2,056.59 : x
  2. Step 2: Convert to fraction form
    6,986.87/10,480.07 = 2,056.59/x
  3. Step 3: Cross multiply
    6,986.87x = 10,480.07 × 2,056.59
  4. Step 4: Simplify right side
    6,986.87x = 21,553,196.88
  5. Step 5: Solve for x
    x = 21,553,196.88/6,986.87
  6. Step 6: Final answer
    x = 3,084.82

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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.