Home / 7,968.15-10,995.76-4,431.29

Finding the Fourth Proportional to 7,968.15, 10,995.76 and 4,431.29

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Solution

The fourth proportional to 7,968.15, 10,995.76 and 4,431.29 is: 6,115.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,968.15 : 10,995.76 = 4,431.29 : x
  2. Step 2: Convert to fraction form
    7,968.15/10,995.76 = 4,431.29/x
  3. Step 3: Cross multiply
    7,968.15x = 10,995.76 × 4,431.29
  4. Step 4: Simplify right side
    7,968.15x = 48,725,335.27
  5. Step 5: Solve for x
    x = 48,725,335.27/7,968.15
  6. Step 6: Final answer
    x = 6,115.01

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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.