Home / 11,649.06-16,075.22-6,343.86

Finding the Fourth Proportional to 11,649.06, 16,075.22 and 6,343.86

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Solution

The fourth proportional to 11,649.06, 16,075.22 and 6,343.86 is: 8,754.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,649.06 : 16,075.22 = 6,343.86 : x
  2. Step 2: Convert to fraction form
    11,649.06/16,075.22 = 6,343.86/x
  3. Step 3: Cross multiply
    11,649.06x = 16,075.22 × 6,343.86
  4. Step 4: Simplify right side
    11,649.06x = 101,978,913.43
  5. Step 5: Solve for x
    x = 101,978,913.43/11,649.06
  6. Step 6: Final answer
    x = 8,754.26

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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.