Home / 12,553.76-18,816.32-5,883.28

Finding the Fourth Proportional to 12,553.76, 18,816.32 and 5,883.28

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Solution

The fourth proportional to 12,553.76, 18,816.32 and 5,883.28 is: 8,818.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,553.76 : 18,816.32 = 5,883.28 : x
  2. Step 2: Convert to fraction form
    12,553.76/18,816.32 = 5,883.28/x
  3. Step 3: Cross multiply
    12,553.76x = 18,816.32 × 5,883.28
  4. Step 4: Simplify right side
    12,553.76x = 110,701,679.13
  5. Step 5: Solve for x
    x = 110,701,679.13/12,553.76
  6. Step 6: Final answer
    x = 8,818.21

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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.