Home / 8,499.26-11,725.21-5,663.88

Finding the Fourth Proportional to 8,499.26, 11,725.21 and 5,663.88

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Solution

The fourth proportional to 8,499.26, 11,725.21 and 5,663.88 is: 7,813.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,499.26 : 11,725.21 = 5,663.88 : x
  2. Step 2: Convert to fraction form
    8,499.26/11,725.21 = 5,663.88/x
  3. Step 3: Cross multiply
    8,499.26x = 11,725.21 × 5,663.88
  4. Step 4: Simplify right side
    8,499.26x = 66,410,145.53
  5. Step 5: Solve for x
    x = 66,410,145.53/8,499.26
  6. Step 6: Final answer
    x = 7,813.63

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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.