Home / 6,679.73-9,216.19-4,162.25

Finding the Fourth Proportional to 6,679.73, 9,216.19 and 4,162.25

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Solution

The fourth proportional to 6,679.73, 9,216.19 and 4,162.25 is: 5,742.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,679.73 : 9,216.19 = 4,162.25 : x
  2. Step 2: Convert to fraction form
    6,679.73/9,216.19 = 4,162.25/x
  3. Step 3: Cross multiply
    6,679.73x = 9,216.19 × 4,162.25
  4. Step 4: Simplify right side
    6,679.73x = 38,360,030.34
  5. Step 5: Solve for x
    x = 38,360,030.34/6,679.73
  6. Step 6: Final answer
    x = 5,742.76

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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.