Home / 7,198.14-10,772.76-4,423.32

Finding the Fourth Proportional to 7,198.14, 10,772.76 and 4,423.32

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Solution

The fourth proportional to 7,198.14, 10,772.76 and 4,423.32 is: 6,619.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,198.14 : 10,772.76 = 4,423.32 : x
  2. Step 2: Convert to fraction form
    7,198.14/10,772.76 = 4,423.32/x
  3. Step 3: Cross multiply
    7,198.14x = 10,772.76 × 4,423.32
  4. Step 4: Simplify right side
    7,198.14x = 47,651,364.76
  5. Step 5: Solve for x
    x = 47,651,364.76/7,198.14
  6. Step 6: Final answer
    x = 6,619.96

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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.