Home / 7,825.70-11,730.39-4,132.10

Finding the Fourth Proportional to 7,825.70, 11,730.39 and 4,132.10

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Solution

The fourth proportional to 7,825.70, 11,730.39 and 4,132.10 is: 6,193.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,825.70 : 11,730.39 = 4,132.10 : x
  2. Step 2: Convert to fraction form
    7,825.70/11,730.39 = 4,132.10/x
  3. Step 3: Cross multiply
    7,825.70x = 11,730.39 × 4,132.10
  4. Step 4: Simplify right side
    7,825.70x = 48,471,144.52
  5. Step 5: Solve for x
    x = 48,471,144.52/7,825.70
  6. Step 6: Final answer
    x = 6,193.84

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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.