Home / 11,471.50-15,833.28-6,757.30

Finding the Fourth Proportional to 11,471.50, 15,833.28 and 6,757.30

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Solution

The fourth proportional to 11,471.50, 15,833.28 and 6,757.30 is: 9,326.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,471.50 : 15,833.28 = 6,757.30 : x
  2. Step 2: Convert to fraction form
    11,471.50/15,833.28 = 6,757.30/x
  3. Step 3: Cross multiply
    11,471.50x = 15,833.28 × 6,757.30
  4. Step 4: Simplify right side
    11,471.50x = 106,990,222.94
  5. Step 5: Solve for x
    x = 106,990,222.94/11,471.50
  6. Step 6: Final answer
    x = 9,326.61

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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.