Home / 7,184.34-9,911.97-4,198.50

Finding the Fourth Proportional to 7,184.34, 9,911.97 and 4,198.50

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Solution

The fourth proportional to 7,184.34, 9,911.97 and 4,198.50 is: 5,792.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,184.34 : 9,911.97 = 4,198.50 : x
  2. Step 2: Convert to fraction form
    7,184.34/9,911.97 = 4,198.50/x
  3. Step 3: Cross multiply
    7,184.34x = 9,911.97 × 4,198.50
  4. Step 4: Simplify right side
    7,184.34x = 41,615,406.05
  5. Step 5: Solve for x
    x = 41,615,406.05/7,184.34
  6. Step 6: Final answer
    x = 5,792.52

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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.