Home / 8,075.66-11,144.46-4,887.90

Finding the Fourth Proportional to 8,075.66, 11,144.46 and 4,887.90

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Solution

The fourth proportional to 8,075.66, 11,144.46 and 4,887.90 is: 6,745.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,075.66 : 11,144.46 = 4,887.90 : x
  2. Step 2: Convert to fraction form
    8,075.66/11,144.46 = 4,887.90/x
  3. Step 3: Cross multiply
    8,075.66x = 11,144.46 × 4,887.90
  4. Step 4: Simplify right side
    8,075.66x = 54,473,006.03
  5. Step 5: Solve for x
    x = 54,473,006.03/8,075.66
  6. Step 6: Final answer
    x = 6,745.33

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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.