Home / 8,243.32-11,375.99-4,885.59

Finding the Fourth Proportional to 8,243.32, 11,375.99 and 4,885.59

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Solution

The fourth proportional to 8,243.32, 11,375.99 and 4,885.59 is: 6,742.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,243.32 : 11,375.99 = 4,885.59 : x
  2. Step 2: Convert to fraction form
    8,243.32/11,375.99 = 4,885.59/x
  3. Step 3: Cross multiply
    8,243.32x = 11,375.99 × 4,885.59
  4. Step 4: Simplify right side
    8,243.32x = 55,578,422.98
  5. Step 5: Solve for x
    x = 55,578,422.98/8,243.32
  6. Step 6: Final answer
    x = 6,742.24

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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.