Home / 8,075.68-11,141.28-4,538.08

Finding the Fourth Proportional to 8,075.68, 11,141.28 and 4,538.08

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Solution

The fourth proportional to 8,075.68, 11,141.28 and 4,538.08 is: 6,260.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,075.68 : 11,141.28 = 4,538.08 : x
  2. Step 2: Convert to fraction form
    8,075.68/11,141.28 = 4,538.08/x
  3. Step 3: Cross multiply
    8,075.68x = 11,141.28 × 4,538.08
  4. Step 4: Simplify right side
    8,075.68x = 50,560,019.94
  5. Step 5: Solve for x
    x = 50,560,019.94/8,075.68
  6. Step 6: Final answer
    x = 6,260.78

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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.