Home / 11,892.38-17,835.87-5,314.28

Finding the Fourth Proportional to 11,892.38, 17,835.87 and 5,314.28

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Solution

The fourth proportional to 11,892.38, 17,835.87 and 5,314.28 is: 7,970.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,892.38 : 17,835.87 = 5,314.28 : x
  2. Step 2: Convert to fraction form
    11,892.38/17,835.87 = 5,314.28/x
  3. Step 3: Cross multiply
    11,892.38x = 17,835.87 × 5,314.28
  4. Step 4: Simplify right side
    11,892.38x = 94,784,807.22
  5. Step 5: Solve for x
    x = 94,784,807.22/11,892.38
  6. Step 6: Final answer
    x = 7,970.21

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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.