Home / 7,708.42-11,551.56-3,808.27

Finding the Fourth Proportional to 7,708.42, 11,551.56 and 3,808.27

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Solution

The fourth proportional to 7,708.42, 11,551.56 and 3,808.27 is: 5,706.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,708.42 : 11,551.56 = 3,808.27 : x
  2. Step 2: Convert to fraction form
    7,708.42/11,551.56 = 3,808.27/x
  3. Step 3: Cross multiply
    7,708.42x = 11,551.56 × 3,808.27
  4. Step 4: Simplify right side
    7,708.42x = 43,991,459.40
  5. Step 5: Solve for x
    x = 43,991,459.40/7,708.42
  6. Step 6: Final answer
    x = 5,706.94

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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.