Home / 6,113.26-8,436.45-3,460.78

Finding the Fourth Proportional to 6,113.26, 8,436.45 and 3,460.78

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Solution

The fourth proportional to 6,113.26, 8,436.45 and 3,460.78 is: 4,775.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,113.26 : 8,436.45 = 3,460.78 : x
  2. Step 2: Convert to fraction form
    6,113.26/8,436.45 = 3,460.78/x
  3. Step 3: Cross multiply
    6,113.26x = 8,436.45 × 3,460.78
  4. Step 4: Simplify right side
    6,113.26x = 29,196,697.43
  5. Step 5: Solve for x
    x = 29,196,697.43/6,113.26
  6. Step 6: Final answer
    x = 4,775.96

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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.