Home / 11,880.52-17,826.82-4,865.70

Finding the Fourth Proportional to 11,880.52, 17,826.82 and 4,865.70

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Solution

The fourth proportional to 11,880.52, 17,826.82 and 4,865.70 is: 7,301.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,880.52 : 17,826.82 = 4,865.70 : x
  2. Step 2: Convert to fraction form
    11,880.52/17,826.82 = 4,865.70/x
  3. Step 3: Cross multiply
    11,880.52x = 17,826.82 × 4,865.70
  4. Step 4: Simplify right side
    11,880.52x = 86,739,958.07
  5. Step 5: Solve for x
    x = 86,739,958.07/11,880.52
  6. Step 6: Final answer
    x = 7,301.02

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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.