Home / 7,436.82-11,153.46-2,170.46

Finding the Fourth Proportional to 7,436.82, 11,153.46 and 2,170.46

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Solution

The fourth proportional to 7,436.82, 11,153.46 and 2,170.46 is: 3,255.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,436.82 : 11,153.46 = 2,170.46 : x
  2. Step 2: Convert to fraction form
    7,436.82/11,153.46 = 2,170.46/x
  3. Step 3: Cross multiply
    7,436.82x = 11,153.46 × 2,170.46
  4. Step 4: Simplify right side
    7,436.82x = 24,208,138.79
  5. Step 5: Solve for x
    x = 24,208,138.79/7,436.82
  6. Step 6: Final answer
    x = 3,255.17

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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.