Home / 10,969.36-16,454.94-4,391.96

Finding the Fourth Proportional to 10,969.36, 16,454.94 and 4,391.96

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Solution

The fourth proportional to 10,969.36, 16,454.94 and 4,391.96 is: 6,588.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,969.36 : 16,454.94 = 4,391.96 : x
  2. Step 2: Convert to fraction form
    10,969.36/16,454.94 = 4,391.96/x
  3. Step 3: Cross multiply
    10,969.36x = 16,454.94 × 4,391.96
  4. Step 4: Simplify right side
    10,969.36x = 72,269,438.28
  5. Step 5: Solve for x
    x = 72,269,438.28/10,969.36
  6. Step 6: Final answer
    x = 6,588.30

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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.