Home / 7,833.12-11,748.48-2,568.69

Finding the Fourth Proportional to 7,833.12, 11,748.48 and 2,568.69

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Solution

The fourth proportional to 7,833.12, 11,748.48 and 2,568.69 is: 3,852.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,833.12 : 11,748.48 = 2,568.69 : x
  2. Step 2: Convert to fraction form
    7,833.12/11,748.48 = 2,568.69/x
  3. Step 3: Cross multiply
    7,833.12x = 11,748.48 × 2,568.69
  4. Step 4: Simplify right side
    7,833.12x = 30,178,203.09
  5. Step 5: Solve for x
    x = 30,178,203.09/7,833.12
  6. Step 6: Final answer
    x = 3,852.64

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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.