Home / 11,395.44-15,726.50-6,360.64

Finding the Fourth Proportional to 11,395.44, 15,726.50 and 6,360.64

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Solution

The fourth proportional to 11,395.44, 15,726.50 and 6,360.64 is: 8,778.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,395.44 : 15,726.50 = 6,360.64 : x
  2. Step 2: Convert to fraction form
    11,395.44/15,726.50 = 6,360.64/x
  3. Step 3: Cross multiply
    11,395.44x = 15,726.50 × 6,360.64
  4. Step 4: Simplify right side
    11,395.44x = 100,030,573.16
  5. Step 5: Solve for x
    x = 100,030,573.16/11,395.44
  6. Step 6: Final answer
    x = 8,778.12

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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.