Home / 8,748.08-12,075.72-6,408.80

Finding the Fourth Proportional to 8,748.08, 12,075.72 and 6,408.80

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Solution

The fourth proportional to 8,748.08, 12,075.72 and 6,408.80 is: 8,846.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,748.08 : 12,075.72 = 6,408.80 : x
  2. Step 2: Convert to fraction form
    8,748.08/12,075.72 = 6,408.80/x
  3. Step 3: Cross multiply
    8,748.08x = 12,075.72 × 6,408.80
  4. Step 4: Simplify right side
    8,748.08x = 77,390,874.34
  5. Step 5: Solve for x
    x = 77,390,874.34/8,748.08
  6. Step 6: Final answer
    x = 8,846.61

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