Home / 10,915.41-16,371.52-5,367.26

Finding the Fourth Proportional to 10,915.41, 16,371.52 and 5,367.26

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Solution

The fourth proportional to 10,915.41, 16,371.52 and 5,367.26 is: 8,050.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,915.41 : 16,371.52 = 5,367.26 : x
  2. Step 2: Convert to fraction form
    10,915.41/16,371.52 = 5,367.26/x
  3. Step 3: Cross multiply
    10,915.41x = 16,371.52 × 5,367.26
  4. Step 4: Simplify right side
    10,915.41x = 87,870,231.95
  5. Step 5: Solve for x
    x = 87,870,231.95/10,915.41
  6. Step 6: Final answer
    x = 8,050.11

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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.