Home / 7,787.16-11,692.60-7,534.75

Finding the Fourth Proportional to 7,787.16, 11,692.60 and 7,534.75

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Solution

The fourth proportional to 7,787.16, 11,692.60 and 7,534.75 is: 11,313.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,787.16 : 11,692.60 = 7,534.75 : x
  2. Step 2: Convert to fraction form
    7,787.16/11,692.60 = 7,534.75/x
  3. Step 3: Cross multiply
    7,787.16x = 11,692.60 × 7,534.75
  4. Step 4: Simplify right side
    7,787.16x = 88,100,759.39
  5. Step 5: Solve for x
    x = 88,100,759.39/7,787.16
  6. Step 6: Final answer
    x = 11,313.59

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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.