Home / 11,381.28-17,075.31-5,838.54

Finding the Fourth Proportional to 11,381.28, 17,075.31 and 5,838.54

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Solution

The fourth proportional to 11,381.28, 17,075.31 and 5,838.54 is: 8,759.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,381.28 : 17,075.31 = 5,838.54 : x
  2. Step 2: Convert to fraction form
    11,381.28/17,075.31 = 5,838.54/x
  3. Step 3: Cross multiply
    11,381.28x = 17,075.31 × 5,838.54
  4. Step 4: Simplify right side
    11,381.28x = 99,694,880.45
  5. Step 5: Solve for x
    x = 99,694,880.45/11,381.28
  6. Step 6: Final answer
    x = 8,759.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.