Home / 9,190.42-12,682.73-4,998.68

Finding the Fourth Proportional to 9,190.42, 12,682.73 and 4,998.68

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Solution

The fourth proportional to 9,190.42, 12,682.73 and 4,998.68 is: 6,898.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,190.42 : 12,682.73 = 4,998.68 : x
  2. Step 2: Convert to fraction form
    9,190.42/12,682.73 = 4,998.68/x
  3. Step 3: Cross multiply
    9,190.42x = 12,682.73 × 4,998.68
  4. Step 4: Simplify right side
    9,190.42x = 63,396,908.80
  5. Step 5: Solve for x
    x = 63,396,908.80/9,190.42
  6. Step 6: Final answer
    x = 6,898.15

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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.