Home / 10,883.75-16,325.40-3,494.30

Finding the Fourth Proportional to 10,883.75, 16,325.40 and 3,494.30

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Solution

The fourth proportional to 10,883.75, 16,325.40 and 3,494.30 is: 5,241.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,883.75 : 16,325.40 = 3,494.30 : x
  2. Step 2: Convert to fraction form
    10,883.75/16,325.40 = 3,494.30/x
  3. Step 3: Cross multiply
    10,883.75x = 16,325.40 × 3,494.30
  4. Step 4: Simplify right side
    10,883.75x = 57,045,845.22
  5. Step 5: Solve for x
    x = 57,045,845.22/10,883.75
  6. Step 6: Final answer
    x = 5,241.38

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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.