Home / 7,967.82-10,995.66-4,431.36

Finding the Fourth Proportional to 7,967.82, 10,995.66 and 4,431.36

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Solution

The fourth proportional to 7,967.82, 10,995.66 and 4,431.36 is: 6,115.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,967.82 : 10,995.66 = 4,431.36 : x
  2. Step 2: Convert to fraction form
    7,967.82/10,995.66 = 4,431.36/x
  3. Step 3: Cross multiply
    7,967.82x = 10,995.66 × 4,431.36
  4. Step 4: Simplify right side
    7,967.82x = 48,725,727.90
  5. Step 5: Solve for x
    x = 48,725,727.90/7,967.82
  6. Step 6: Final answer
    x = 6,115.31

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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.