Home / 11,382.40-17,075.88-4,808.56

Finding the Fourth Proportional to 11,382.40, 17,075.88 and 4,808.56

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Solution

The fourth proportional to 11,382.40, 17,075.88 and 4,808.56 is: 7,213.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,382.40 : 17,075.88 = 4,808.56 : x
  2. Step 2: Convert to fraction form
    11,382.40/17,075.88 = 4,808.56/x
  3. Step 3: Cross multiply
    11,382.40x = 17,075.88 × 4,808.56
  4. Step 4: Simplify right side
    11,382.40x = 82,110,393.53
  5. Step 5: Solve for x
    x = 82,110,393.53/11,382.40
  6. Step 6: Final answer
    x = 7,213.80

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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.