Home / 11,075.09-15,285.99-6,361.97

Finding the Fourth Proportional to 11,075.09, 15,285.99 and 6,361.97

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Solution

The fourth proportional to 11,075.09, 15,285.99 and 6,361.97 is: 8,780.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,075.09 : 15,285.99 = 6,361.97 : x
  2. Step 2: Convert to fraction form
    11,075.09/15,285.99 = 6,361.97/x
  3. Step 3: Cross multiply
    11,075.09x = 15,285.99 × 6,361.97
  4. Step 4: Simplify right side
    11,075.09x = 97,248,933.37
  5. Step 5: Solve for x
    x = 97,248,933.37/11,075.09
  6. Step 6: Final answer
    x = 8,780.87

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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.