Home / 11,840.43-17,761.51-3,406.59

Finding the Fourth Proportional to 11,840.43, 17,761.51 and 3,406.59

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Solution

The fourth proportional to 11,840.43, 17,761.51 and 3,406.59 is: 5,110.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,840.43 : 17,761.51 = 3,406.59 : x
  2. Step 2: Convert to fraction form
    11,840.43/17,761.51 = 3,406.59/x
  3. Step 3: Cross multiply
    11,840.43x = 17,761.51 × 3,406.59
  4. Step 4: Simplify right side
    11,840.43x = 60,506,137.95
  5. Step 5: Solve for x
    x = 60,506,137.95/11,840.43
  6. Step 6: Final answer
    x = 5,110.13

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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.