Home / 7,960.58-11,936.75-3,574.28

Finding the Fourth Proportional to 7,960.58, 11,936.75 and 3,574.28

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Solution

The fourth proportional to 7,960.58, 11,936.75 and 3,574.28 is: 5,359.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,960.58 : 11,936.75 = 3,574.28 : x
  2. Step 2: Convert to fraction form
    7,960.58/11,936.75 = 3,574.28/x
  3. Step 3: Cross multiply
    7,960.58x = 11,936.75 × 3,574.28
  4. Step 4: Simplify right side
    7,960.58x = 42,665,209.23
  5. Step 5: Solve for x
    x = 42,665,209.23/7,960.58
  6. Step 6: Final answer
    x = 5,359.56

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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.