Home / 11,321.76-16,985.06-4,396.26

Finding the Fourth Proportional to 11,321.76, 16,985.06 and 4,396.26

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Solution

The fourth proportional to 11,321.76, 16,985.06 and 4,396.26 is: 6,595.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,321.76 : 16,985.06 = 4,396.26 : x
  2. Step 2: Convert to fraction form
    11,321.76/16,985.06 = 4,396.26/x
  3. Step 3: Cross multiply
    11,321.76x = 16,985.06 × 4,396.26
  4. Step 4: Simplify right side
    11,321.76x = 74,670,739.88
  5. Step 5: Solve for x
    x = 74,670,739.88/11,321.76
  6. Step 6: Final answer
    x = 6,595.33

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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.