Home / 6,166.80-9,245.40-4,187.21

Finding the Fourth Proportional to 6,166.80, 9,245.40 and 4,187.21

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Solution

The fourth proportional to 6,166.80, 9,245.40 and 4,187.21 is: 6,277.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,166.80 : 9,245.40 = 4,187.21 : x
  2. Step 2: Convert to fraction form
    6,166.80/9,245.40 = 4,187.21/x
  3. Step 3: Cross multiply
    6,166.80x = 9,245.40 × 4,187.21
  4. Step 4: Simplify right side
    6,166.80x = 38,712,431.33
  5. Step 5: Solve for x
    x = 38,712,431.33/6,166.80
  6. Step 6: Final answer
    x = 6,277.56

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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.