Home / 10,742.56-16,120.08-4,502.04

Finding the Fourth Proportional to 10,742.56, 16,120.08 and 4,502.04

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Solution

The fourth proportional to 10,742.56, 16,120.08 and 4,502.04 is: 6,755.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,742.56 : 16,120.08 = 4,502.04 : x
  2. Step 2: Convert to fraction form
    10,742.56/16,120.08 = 4,502.04/x
  3. Step 3: Cross multiply
    10,742.56x = 16,120.08 × 4,502.04
  4. Step 4: Simplify right side
    10,742.56x = 72,573,244.96
  5. Step 5: Solve for x
    x = 72,573,244.96/10,742.56
  6. Step 6: Final answer
    x = 6,755.68

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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.