Home / 12,376.53-18,553.86-4,580.28

Finding the Fourth Proportional to 12,376.53, 18,553.86 and 4,580.28

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Solution

The fourth proportional to 12,376.53, 18,553.86 and 4,580.28 is: 6,866.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,376.53 : 18,553.86 = 4,580.28 : x
  2. Step 2: Convert to fraction form
    12,376.53/18,553.86 = 4,580.28/x
  3. Step 3: Cross multiply
    12,376.53x = 18,553.86 × 4,580.28
  4. Step 4: Simplify right side
    12,376.53x = 84,981,873.88
  5. Step 5: Solve for x
    x = 84,981,873.88/12,376.53
  6. Step 6: Final answer
    x = 6,866.37

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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.