Home / 7,620.21-10,516.50-4,264.11

Finding the Fourth Proportional to 7,620.21, 10,516.50 and 4,264.11

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Solution

The fourth proportional to 7,620.21, 10,516.50 and 4,264.11 is: 5,884.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,620.21 : 10,516.50 = 4,264.11 : x
  2. Step 2: Convert to fraction form
    7,620.21/10,516.50 = 4,264.11/x
  3. Step 3: Cross multiply
    7,620.21x = 10,516.50 × 4,264.11
  4. Step 4: Simplify right side
    7,620.21x = 44,843,512.82
  5. Step 5: Solve for x
    x = 44,843,512.82/7,620.21
  6. Step 6: Final answer
    x = 5,884.81

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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.