Home / 7,964.37-10,995.75-5,132.75

Finding the Fourth Proportional to 7,964.37, 10,995.75 and 5,132.75

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Solution

The fourth proportional to 7,964.37, 10,995.75 and 5,132.75 is: 7,086.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,964.37 : 10,995.75 = 5,132.75 : x
  2. Step 2: Convert to fraction form
    7,964.37/10,995.75 = 5,132.75/x
  3. Step 3: Cross multiply
    7,964.37x = 10,995.75 × 5,132.75
  4. Step 4: Simplify right side
    7,964.37x = 56,438,380.83
  5. Step 5: Solve for x
    x = 56,438,380.83/7,964.37
  6. Step 6: Final answer
    x = 7,086.36

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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.