Home / 9,480.74-13,083.32-5,231.84

Finding the Fourth Proportional to 9,480.74, 13,083.32 and 5,231.84

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Solution

The fourth proportional to 9,480.74, 13,083.32 and 5,231.84 is: 7,219.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,480.74 : 13,083.32 = 5,231.84 : x
  2. Step 2: Convert to fraction form
    9,480.74/13,083.32 = 5,231.84/x
  3. Step 3: Cross multiply
    9,480.74x = 13,083.32 × 5,231.84
  4. Step 4: Simplify right side
    9,480.74x = 68,449,784.57
  5. Step 5: Solve for x
    x = 68,449,784.57/9,480.74
  6. Step 6: Final answer
    x = 7,219.88

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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.