Home / 9,811.08-13,542.26-6,669.09

Finding the Fourth Proportional to 9,811.08, 13,542.26 and 6,669.09

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Solution

The fourth proportional to 9,811.08, 13,542.26 and 6,669.09 is: 9,205.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,811.08 : 13,542.26 = 6,669.09 : x
  2. Step 2: Convert to fraction form
    9,811.08/13,542.26 = 6,669.09/x
  3. Step 3: Cross multiply
    9,811.08x = 13,542.26 × 6,669.09
  4. Step 4: Simplify right side
    9,811.08x = 90,314,517.40
  5. Step 5: Solve for x
    x = 90,314,517.40/9,811.08
  6. Step 6: Final answer
    x = 9,205.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.