Home / 7,833.34-11,749.70-2,568.74

Finding the Fourth Proportional to 7,833.34, 11,749.70 and 2,568.74

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Solution

The fourth proportional to 7,833.34, 11,749.70 and 2,568.74 is: 3,853.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,833.34 : 11,749.70 = 2,568.74 : x
  2. Step 2: Convert to fraction form
    7,833.34/11,749.70 = 2,568.74/x
  3. Step 3: Cross multiply
    7,833.34x = 11,749.70 × 2,568.74
  4. Step 4: Simplify right side
    7,833.34x = 30,181,924.38
  5. Step 5: Solve for x
    x = 30,181,924.38/7,833.34
  6. Step 6: Final answer
    x = 3,853.01

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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.