Home / 27,511.52-41,264.74-7,789.64

Finding the Fourth Proportional to 27,511.52, 41,264.74 and 7,789.64

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Solution

The fourth proportional to 27,511.52, 41,264.74 and 7,789.64 is: 11,683.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,511.52 : 41,264.74 = 7,789.64 : x
  2. Step 2: Convert to fraction form
    27,511.52/41,264.74 = 7,789.64/x
  3. Step 3: Cross multiply
    27,511.52x = 41,264.74 × 7,789.64
  4. Step 4: Simplify right side
    27,511.52x = 321,437,469.29
  5. Step 5: Solve for x
    x = 321,437,469.29/27,511.52
  6. Step 6: Final answer
    x = 11,683.74

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1.5x scale

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.