Home / 7,951.40-11,935.38-5,873.75

Finding the Fourth Proportional to 7,951.40, 11,935.38 and 5,873.75

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Solution

The fourth proportional to 7,951.40, 11,935.38 and 5,873.75 is: 8,816.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,951.40 : 11,935.38 = 5,873.75 : x
  2. Step 2: Convert to fraction form
    7,951.40/11,935.38 = 5,873.75/x
  3. Step 3: Cross multiply
    7,951.40x = 11,935.38 × 5,873.75
  4. Step 4: Simplify right side
    7,951.40x = 70,105,438.28
  5. Step 5: Solve for x
    x = 70,105,438.28/7,951.40
  6. Step 6: Final answer
    x = 8,816.74

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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.