Home / 7,076.10-9,764.73-3,932.49

Finding the Fourth Proportional to 7,076.10, 9,764.73 and 3,932.49

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Solution

The fourth proportional to 7,076.10, 9,764.73 and 3,932.49 is: 5,426.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,076.10 : 9,764.73 = 3,932.49 : x
  2. Step 2: Convert to fraction form
    7,076.10/9,764.73 = 3,932.49/x
  3. Step 3: Cross multiply
    7,076.10x = 9,764.73 × 3,932.49
  4. Step 4: Simplify right side
    7,076.10x = 38,399,703.08
  5. Step 5: Solve for x
    x = 38,399,703.08/7,076.10
  6. Step 6: Final answer
    x = 5,426.68

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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.