Home / 9,136.96-13,705.39-2,211.46

Finding the Fourth Proportional to 9,136.96, 13,705.39 and 2,211.46

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Solution

The fourth proportional to 9,136.96, 13,705.39 and 2,211.46 is: 3,317.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,136.96 : 13,705.39 = 2,211.46 : x
  2. Step 2: Convert to fraction form
    9,136.96/13,705.39 = 2,211.46/x
  3. Step 3: Cross multiply
    9,136.96x = 13,705.39 × 2,211.46
  4. Step 4: Simplify right side
    9,136.96x = 30,308,921.77
  5. Step 5: Solve for x
    x = 30,308,921.77/9,136.96
  6. Step 6: Final answer
    x = 3,317.18

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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.