Home / 9,126.76-13,692.14-3,580.60

Finding the Fourth Proportional to 9,126.76, 13,692.14 and 3,580.60

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Solution

The fourth proportional to 9,126.76, 13,692.14 and 3,580.60 is: 5,371.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,126.76 : 13,692.14 = 3,580.60 : x
  2. Step 2: Convert to fraction form
    9,126.76/13,692.14 = 3,580.60/x
  3. Step 3: Cross multiply
    9,126.76x = 13,692.14 × 3,580.60
  4. Step 4: Simplify right side
    9,126.76x = 49,026,058.58
  5. Step 5: Solve for x
    x = 49,026,058.58/9,126.76
  6. Step 6: Final answer
    x = 5,371.68

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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.