Home / 6,825.32-9,420.06-4,308.81

Finding the Fourth Proportional to 6,825.32, 9,420.06 and 4,308.81

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Solution

The fourth proportional to 6,825.32, 9,420.06 and 4,308.81 is: 5,946.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,825.32 : 9,420.06 = 4,308.81 : x
  2. Step 2: Convert to fraction form
    6,825.32/9,420.06 = 4,308.81/x
  3. Step 3: Cross multiply
    6,825.32x = 9,420.06 × 4,308.81
  4. Step 4: Simplify right side
    6,825.32x = 40,589,248.73
  5. Step 5: Solve for x
    x = 40,589,248.73/6,825.32
  6. Step 6: Final answer
    x = 5,946.86

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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.