Home / 11,276.73-16,915.50-3,379.33

Finding the Fourth Proportional to 11,276.73, 16,915.50 and 3,379.33

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Solution

The fourth proportional to 11,276.73, 16,915.50 and 3,379.33 is: 5,069.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,276.73 : 16,915.50 = 3,379.33 : x
  2. Step 2: Convert to fraction form
    11,276.73/16,915.50 = 3,379.33/x
  3. Step 3: Cross multiply
    11,276.73x = 16,915.50 × 3,379.33
  4. Step 4: Simplify right side
    11,276.73x = 57,163,077.76
  5. Step 5: Solve for x
    x = 57,163,077.76/11,276.73
  6. Step 6: Final answer
    x = 5,069.12

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1.5x scale

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.