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Finding the Fourth Proportional to 7,216.11, 10,820.11 and 2,534.82

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Solution

The fourth proportional to 7,216.11, 10,820.11 and 2,534.82 is: 3,800.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,216.11 : 10,820.11 = 2,534.82 : x
  2. Step 2: Convert to fraction form
    7,216.11/10,820.11 = 2,534.82/x
  3. Step 3: Cross multiply
    7,216.11x = 10,820.11 × 2,534.82
  4. Step 4: Simplify right side
    7,216.11x = 27,427,031.23
  5. Step 5: Solve for x
    x = 27,427,031.23/7,216.11
  6. Step 6: Final answer
    x = 3,800.81

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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.