Home / 6,829.96-10,231.81-4,189.76

Finding the Fourth Proportional to 6,829.96, 10,231.81 and 4,189.76

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Solution

The fourth proportional to 6,829.96, 10,231.81 and 4,189.76 is: 6,276.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,829.96 : 10,231.81 = 4,189.76 : x
  2. Step 2: Convert to fraction form
    6,829.96/10,231.81 = 4,189.76/x
  3. Step 3: Cross multiply
    6,829.96x = 10,231.81 × 4,189.76
  4. Step 4: Simplify right side
    6,829.96x = 42,868,828.27
  5. Step 5: Solve for x
    x = 42,868,828.27/6,829.96
  6. Step 6: Final answer
    x = 6,276.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.