Home / 37,940.85-56,912.31-9,860.28

Finding the Fourth Proportional to 37,940.85, 56,912.31 and 9,860.28

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Solution

The fourth proportional to 37,940.85, 56,912.31 and 9,860.28 is: 14,790.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,940.85 : 56,912.31 = 9,860.28 : x
  2. Step 2: Convert to fraction form
    37,940.85/56,912.31 = 9,860.28/x
  3. Step 3: Cross multiply
    37,940.85x = 56,912.31 × 9,860.28
  4. Step 4: Simplify right side
    37,940.85x = 561,171,312.05
  5. Step 5: Solve for x
    x = 561,171,312.05/37,940.85
  6. Step 6: Final answer
    x = 14,790.69

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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.