Home / 7,983.68-11,011.19-6,933.92

Finding the Fourth Proportional to 7,983.68, 11,011.19 and 6,933.92

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Solution

The fourth proportional to 7,983.68, 11,011.19 and 6,933.92 is: 9,563.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,983.68 : 11,011.19 = 6,933.92 : x
  2. Step 2: Convert to fraction form
    7,983.68/11,011.19 = 6,933.92/x
  3. Step 3: Cross multiply
    7,983.68x = 11,011.19 × 6,933.92
  4. Step 4: Simplify right side
    7,983.68x = 76,350,620.84
  5. Step 5: Solve for x
    x = 76,350,620.84/7,983.68
  6. Step 6: Final answer
    x = 9,563.34

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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.