Home / 37,407.75-56,120.87-11,112.45

Finding the Fourth Proportional to 37,407.75, 56,120.87 and 11,112.45

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Solution

The fourth proportional to 37,407.75, 56,120.87 and 11,112.45 is: 16,671.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,407.75 : 56,120.87 = 11,112.45 : x
  2. Step 2: Convert to fraction form
    37,407.75/56,120.87 = 11,112.45/x
  3. Step 3: Cross multiply
    37,407.75x = 56,120.87 × 11,112.45
  4. Step 4: Simplify right side
    37,407.75x = 623,640,361.83
  5. Step 5: Solve for x
    x = 623,640,361.83/37,407.75
  6. Step 6: Final answer
    x = 16,671.42

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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.