Home / 11,440.53-17,138.56-8,433.10

Finding the Fourth Proportional to 11,440.53, 17,138.56 and 8,433.10

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Solution

The fourth proportional to 11,440.53, 17,138.56 and 8,433.10 is: 12,633.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,440.53 : 17,138.56 = 8,433.10 : x
  2. Step 2: Convert to fraction form
    11,440.53/17,138.56 = 8,433.10/x
  3. Step 3: Cross multiply
    11,440.53x = 17,138.56 × 8,433.10
  4. Step 4: Simplify right side
    11,440.53x = 144,531,190.34
  5. Step 5: Solve for x
    x = 144,531,190.34/11,440.53
  6. Step 6: Final answer
    x = 12,633.26

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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.