Home / 11,155.42-16,732.67-4,581.43

Finding the Fourth Proportional to 11,155.42, 16,732.67 and 4,581.43

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Solution

The fourth proportional to 11,155.42, 16,732.67 and 4,581.43 is: 6,871.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,155.42 : 16,732.67 = 4,581.43 : x
  2. Step 2: Convert to fraction form
    11,155.42/16,732.67 = 4,581.43/x
  3. Step 3: Cross multiply
    11,155.42x = 16,732.67 × 4,581.43
  4. Step 4: Simplify right side
    11,155.42x = 76,659,533.41
  5. Step 5: Solve for x
    x = 76,659,533.41/11,155.42
  6. Step 6: Final answer
    x = 6,871.96

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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.