Home / 11,108.48-16,664.64-3,712.16

Finding the Fourth Proportional to 11,108.48, 16,664.64 and 3,712.16

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Solution

The fourth proportional to 11,108.48, 16,664.64 and 3,712.16 is: 5,568.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,108.48 : 16,664.64 = 3,712.16 : x
  2. Step 2: Convert to fraction form
    11,108.48/16,664.64 = 3,712.16/x
  3. Step 3: Cross multiply
    11,108.48x = 16,664.64 × 3,712.16
  4. Step 4: Simplify right side
    11,108.48x = 61,861,810.02
  5. Step 5: Solve for x
    x = 61,861,810.02/11,108.48
  6. Step 6: Final answer
    x = 5,568.88

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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.