Home / 7,963.33-11,931.69-5,619.46

Finding the Fourth Proportional to 7,963.33, 11,931.69 and 5,619.46

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Solution

The fourth proportional to 7,963.33, 11,931.69 and 5,619.46 is: 8,419.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,963.33 : 11,931.69 = 5,619.46 : x
  2. Step 2: Convert to fraction form
    7,963.33/11,931.69 = 5,619.46/x
  3. Step 3: Cross multiply
    7,963.33x = 11,931.69 × 5,619.46
  4. Step 4: Simplify right side
    7,963.33x = 67,049,566.93
  5. Step 5: Solve for x
    x = 67,049,566.93/7,963.33
  6. Step 6: Final answer
    x = 8,419.80

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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.