Home / 6,115.14-8,436.69-3,461.58

Finding the Fourth Proportional to 6,115.14, 8,436.69 and 3,461.58

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Solution

The fourth proportional to 6,115.14, 8,436.69 and 3,461.58 is: 4,775.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,115.14 : 8,436.69 = 3,461.58 : x
  2. Step 2: Convert to fraction form
    6,115.14/8,436.69 = 3,461.58/x
  3. Step 3: Cross multiply
    6,115.14x = 8,436.69 × 3,461.58
  4. Step 4: Simplify right side
    6,115.14x = 29,204,277.37
  5. Step 5: Solve for x
    x = 29,204,277.37/6,115.14
  6. Step 6: Final answer
    x = 4,775.73

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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.