Home / 11,395.58-17,102.16-7,910.02

Finding the Fourth Proportional to 11,395.58, 17,102.16 and 7,910.02

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Solution

The fourth proportional to 11,395.58, 17,102.16 and 7,910.02 is: 11,871.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,395.58 : 17,102.16 = 7,910.02 : x
  2. Step 2: Convert to fraction form
    11,395.58/17,102.16 = 7,910.02/x
  3. Step 3: Cross multiply
    11,395.58x = 17,102.16 × 7,910.02
  4. Step 4: Simplify right side
    11,395.58x = 135,278,427.64
  5. Step 5: Solve for x
    x = 135,278,427.64/11,395.58
  6. Step 6: Final answer
    x = 11,871.13

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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.