Home / 8,511.45-11,748.24-5,682.93

Finding the Fourth Proportional to 8,511.45, 11,748.24 and 5,682.93

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Solution

The fourth proportional to 8,511.45, 11,748.24 and 5,682.93 is: 7,844.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,511.45 : 11,748.24 = 5,682.93 : x
  2. Step 2: Convert to fraction form
    8,511.45/11,748.24 = 5,682.93/x
  3. Step 3: Cross multiply
    8,511.45x = 11,748.24 × 5,682.93
  4. Step 4: Simplify right side
    8,511.45x = 66,764,425.54
  5. Step 5: Solve for x
    x = 66,764,425.54/8,511.45
  6. Step 6: Final answer
    x = 7,844.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.