Home / 11,381.66-17,075.02-3,485.28

Finding the Fourth Proportional to 11,381.66, 17,075.02 and 3,485.28

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Solution

The fourth proportional to 11,381.66, 17,075.02 and 3,485.28 is: 5,228.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,381.66 : 17,075.02 = 3,485.28 : x
  2. Step 2: Convert to fraction form
    11,381.66/17,075.02 = 3,485.28/x
  3. Step 3: Cross multiply
    11,381.66x = 17,075.02 × 3,485.28
  4. Step 4: Simplify right side
    11,381.66x = 59,511,225.71
  5. Step 5: Solve for x
    x = 59,511,225.71/11,381.66
  6. Step 6: Final answer
    x = 5,228.69

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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.