Home / 7,940.12-10,957.75-4,403.34

Finding the Fourth Proportional to 7,940.12, 10,957.75 and 4,403.34

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Solution

The fourth proportional to 7,940.12, 10,957.75 and 4,403.34 is: 6,076.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,940.12 : 10,957.75 = 4,403.34 : x
  2. Step 2: Convert to fraction form
    7,940.12/10,957.75 = 4,403.34/x
  3. Step 3: Cross multiply
    7,940.12x = 10,957.75 × 4,403.34
  4. Step 4: Simplify right side
    7,940.12x = 48,250,687.88
  5. Step 5: Solve for x
    x = 48,250,687.88/7,940.12
  6. Step 6: Final answer
    x = 6,076.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.