Home / 8,075.25-11,144.30-4,538.68

Finding the Fourth Proportional to 8,075.25, 11,144.30 and 4,538.68

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Solution

The fourth proportional to 8,075.25, 11,144.30 and 4,538.68 is: 6,263.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,075.25 : 11,144.30 = 4,538.68 : x
  2. Step 2: Convert to fraction form
    8,075.25/11,144.30 = 4,538.68/x
  3. Step 3: Cross multiply
    8,075.25x = 11,144.30 × 4,538.68
  4. Step 4: Simplify right side
    8,075.25x = 50,580,360.97
  5. Step 5: Solve for x
    x = 50,580,360.97/8,075.25
  6. Step 6: Final answer
    x = 6,263.63

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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.