Home / 11,839.56-16,337.71-6,803.79

Finding the Fourth Proportional to 11,839.56, 16,337.71 and 6,803.79

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Solution

The fourth proportional to 11,839.56, 16,337.71 and 6,803.79 is: 9,388.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,839.56 : 16,337.71 = 6,803.79 : x
  2. Step 2: Convert to fraction form
    11,839.56/16,337.71 = 6,803.79/x
  3. Step 3: Cross multiply
    11,839.56x = 16,337.71 × 6,803.79
  4. Step 4: Simplify right side
    11,839.56x = 111,158,347.92
  5. Step 5: Solve for x
    x = 111,158,347.92/11,839.56
  6. Step 6: Final answer
    x = 9,388.72

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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.