Home / 7,723.11-10,671.80-6,163.59

Finding the Fourth Proportional to 7,723.11, 10,671.80 and 6,163.59

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Solution

The fourth proportional to 7,723.11, 10,671.80 and 6,163.59 is: 8,516.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,723.11 : 10,671.80 = 6,163.59 : x
  2. Step 2: Convert to fraction form
    7,723.11/10,671.80 = 6,163.59/x
  3. Step 3: Cross multiply
    7,723.11x = 10,671.80 × 6,163.59
  4. Step 4: Simplify right side
    7,723.11x = 65,776,599.76
  5. Step 5: Solve for x
    x = 65,776,599.76/7,723.11
  6. Step 6: Final answer
    x = 8,516.85

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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.