Home / 9,176.68-12,634.34-7,997.80

Finding the Fourth Proportional to 9,176.68, 12,634.34 and 7,997.80

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Solution

The fourth proportional to 9,176.68, 12,634.34 and 7,997.80 is: 11,011.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,176.68 : 12,634.34 = 7,997.80 : x
  2. Step 2: Convert to fraction form
    9,176.68/12,634.34 = 7,997.80/x
  3. Step 3: Cross multiply
    9,176.68x = 12,634.34 × 7,997.80
  4. Step 4: Simplify right side
    9,176.68x = 101,046,924.45
  5. Step 5: Solve for x
    x = 101,046,924.45/9,176.68
  6. Step 6: Final answer
    x = 11,011.27

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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.