Home / 7,741.37-10,676.21-6,412.77

Finding the Fourth Proportional to 7,741.37, 10,676.21 and 6,412.77

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Solution

The fourth proportional to 7,741.37, 10,676.21 and 6,412.77 is: 8,843.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,741.37 : 10,676.21 = 6,412.77 : x
  2. Step 2: Convert to fraction form
    7,741.37/10,676.21 = 6,412.77/x
  3. Step 3: Cross multiply
    7,741.37x = 10,676.21 × 6,412.77
  4. Step 4: Simplify right side
    7,741.37x = 68,464,047.14
  5. Step 5: Solve for x
    x = 68,464,047.14/7,741.37
  6. Step 6: Final answer
    x = 8,843.92

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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.