Home / 9,859.68-14,789.64-2,839.81

Finding the Fourth Proportional to 9,859.68, 14,789.64 and 2,839.81

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Solution

The fourth proportional to 9,859.68, 14,789.64 and 2,839.81 is: 4,259.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,859.68 : 14,789.64 = 2,839.81 : x
  2. Step 2: Convert to fraction form
    9,859.68/14,789.64 = 2,839.81/x
  3. Step 3: Cross multiply
    9,859.68x = 14,789.64 × 2,839.81
  4. Step 4: Simplify right side
    9,859.68x = 41,999,724.18
  5. Step 5: Solve for x
    x = 41,999,724.18/9,859.68
  6. Step 6: Final answer
    x = 4,259.75

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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.