Home / 11,140.90-16,712.56-3,745.06

Finding the Fourth Proportional to 11,140.90, 16,712.56 and 3,745.06

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Solution

The fourth proportional to 11,140.90, 16,712.56 and 3,745.06 is: 5,618.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,140.90 : 16,712.56 = 3,745.06 : x
  2. Step 2: Convert to fraction form
    11,140.90/16,712.56 = 3,745.06/x
  3. Step 3: Cross multiply
    11,140.90x = 16,712.56 × 3,745.06
  4. Step 4: Simplify right side
    11,140.90x = 62,589,539.95
  5. Step 5: Solve for x
    x = 62,589,539.95/11,140.90
  6. Step 6: Final answer
    x = 5,618.00

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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.