Home / 11,539.89-17,305.02-4,872.06

Finding the Fourth Proportional to 11,539.89, 17,305.02 and 4,872.06

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Solution

The fourth proportional to 11,539.89, 17,305.02 and 4,872.06 is: 7,306.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,539.89 : 17,305.02 = 4,872.06 : x
  2. Step 2: Convert to fraction form
    11,539.89/17,305.02 = 4,872.06/x
  3. Step 3: Cross multiply
    11,539.89x = 17,305.02 × 4,872.06
  4. Step 4: Simplify right side
    11,539.89x = 84,311,095.74
  5. Step 5: Solve for x
    x = 84,311,095.74/11,539.89
  6. Step 6: Final answer
    x = 7,306.06

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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.