Home / 7,366.12-10,163.50-4,178.71

Finding the Fourth Proportional to 7,366.12, 10,163.50 and 4,178.71

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Solution

The fourth proportional to 7,366.12, 10,163.50 and 4,178.71 is: 5,765.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,366.12 : 10,163.50 = 4,178.71 : x
  2. Step 2: Convert to fraction form
    7,366.12/10,163.50 = 4,178.71/x
  3. Step 3: Cross multiply
    7,366.12x = 10,163.50 × 4,178.71
  4. Step 4: Simplify right side
    7,366.12x = 42,470,247.37
  5. Step 5: Solve for x
    x = 42,470,247.37/7,366.12
  6. Step 6: Final answer
    x = 5,765.62

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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.