Home / 11,581.96-17,372.94-2,816.88

Finding the Fourth Proportional to 11,581.96, 17,372.94 and 2,816.88

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Solution

The fourth proportional to 11,581.96, 17,372.94 and 2,816.88 is: 4,225.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,581.96 : 17,372.94 = 2,816.88 : x
  2. Step 2: Convert to fraction form
    11,581.96/17,372.94 = 2,816.88/x
  3. Step 3: Cross multiply
    11,581.96x = 17,372.94 × 2,816.88
  4. Step 4: Simplify right side
    11,581.96x = 48,937,487.23
  5. Step 5: Solve for x
    x = 48,937,487.23/11,581.96
  6. Step 6: Final answer
    x = 4,225.32

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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.