Home / 8,075.31-11,142.72-4,537.85

Finding the Fourth Proportional to 8,075.31, 11,142.72 and 4,537.85

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Solution

The fourth proportional to 8,075.31, 11,142.72 and 4,537.85 is: 6,261.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,075.31 : 11,142.72 = 4,537.85 : x
  2. Step 2: Convert to fraction form
    8,075.31/11,142.72 = 4,537.85/x
  3. Step 3: Cross multiply
    8,075.31x = 11,142.72 × 4,537.85
  4. Step 4: Simplify right side
    8,075.31x = 50,563,936.24
  5. Step 5: Solve for x
    x = 50,563,936.24/8,075.31
  6. Step 6: Final answer
    x = 6,261.55

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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.