Home / 6,112.13-8,435.07-3,459.78

Finding the Fourth Proportional to 6,112.13, 8,435.07 and 3,459.78

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Solution

The fourth proportional to 6,112.13, 8,435.07 and 3,459.78 is: 4,774.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,112.13 : 8,435.07 = 3,459.78 : x
  2. Step 2: Convert to fraction form
    6,112.13/8,435.07 = 3,459.78/x
  3. Step 3: Cross multiply
    6,112.13x = 8,435.07 × 3,459.78
  4. Step 4: Simplify right side
    6,112.13x = 29,183,486.48
  5. Step 5: Solve for x
    x = 29,183,486.48/6,112.13
  6. Step 6: Final answer
    x = 4,774.69

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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.