Home / 6,881.96-9,480.11-5,870.37

Finding the Fourth Proportional to 6,881.96, 9,480.11 and 5,870.37

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Solution

The fourth proportional to 6,881.96, 9,480.11 and 5,870.37 is: 8,086.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,881.96 : 9,480.11 = 5,870.37 : x
  2. Step 2: Convert to fraction form
    6,881.96/9,480.11 = 5,870.37/x
  3. Step 3: Cross multiply
    6,881.96x = 9,480.11 × 5,870.37
  4. Step 4: Simplify right side
    6,881.96x = 55,651,759.54
  5. Step 5: Solve for x
    x = 55,651,759.54/6,881.96
  6. Step 6: Final answer
    x = 8,086.61

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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.