Home / 6,112.88-8,436.11-3,460.53

Finding the Fourth Proportional to 6,112.88, 8,436.11 and 3,460.53

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Solution

The fourth proportional to 6,112.88, 8,436.11 and 3,460.53 is: 4,775.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,112.88 : 8,436.11 = 3,460.53 : x
  2. Step 2: Convert to fraction form
    6,112.88/8,436.11 = 3,460.53/x
  3. Step 3: Cross multiply
    6,112.88x = 8,436.11 × 3,460.53
  4. Step 4: Simplify right side
    6,112.88x = 29,193,394.44
  5. Step 5: Solve for x
    x = 29,193,394.44/6,112.88
  6. Step 6: Final answer
    x = 4,775.72

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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.