Home / 11,134.53-16,703.64-5,287.95

Finding the Fourth Proportional to 11,134.53, 16,703.64 and 5,287.95

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Solution

The fourth proportional to 11,134.53, 16,703.64 and 5,287.95 is: 7,932.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,134.53 : 16,703.64 = 5,287.95 : x
  2. Step 2: Convert to fraction form
    11,134.53/16,703.64 = 5,287.95/x
  3. Step 3: Cross multiply
    11,134.53x = 16,703.64 × 5,287.95
  4. Step 4: Simplify right side
    11,134.53x = 88,328,013.14
  5. Step 5: Solve for x
    x = 88,328,013.14/11,134.53
  6. Step 6: Final answer
    x = 7,932.80

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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.