Home / 11,366.91-15,685.38-6,330.75

Finding the Fourth Proportional to 11,366.91, 15,685.38 and 6,330.75

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Solution

The fourth proportional to 11,366.91, 15,685.38 and 6,330.75 is: 8,735.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,366.91 : 15,685.38 = 6,330.75 : x
  2. Step 2: Convert to fraction form
    11,366.91/15,685.38 = 6,330.75/x
  3. Step 3: Cross multiply
    11,366.91x = 15,685.38 × 6,330.75
  4. Step 4: Simplify right side
    11,366.91x = 99,300,219.44
  5. Step 5: Solve for x
    x = 99,300,219.44/11,366.91
  6. Step 6: Final answer
    x = 8,735.90

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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.