Home / 7,701.36-11,553.48-2,505.84

Finding the Fourth Proportional to 7,701.36, 11,553.48 and 2,505.84

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Solution

The fourth proportional to 7,701.36, 11,553.48 and 2,505.84 is: 3,759.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,701.36 : 11,553.48 = 2,505.84 : x
  2. Step 2: Convert to fraction form
    7,701.36/11,553.48 = 2,505.84/x
  3. Step 3: Cross multiply
    7,701.36x = 11,553.48 × 2,505.84
  4. Step 4: Simplify right side
    7,701.36x = 28,951,172.32
  5. Step 5: Solve for x
    x = 28,951,172.32/7,701.36
  6. Step 6: Final answer
    x = 3,759.23

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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.