Home / 11,493.35-17,247.72-4,921.15

Finding the Fourth Proportional to 11,493.35, 17,247.72 and 4,921.15

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Solution

The fourth proportional to 11,493.35, 17,247.72 and 4,921.15 is: 7,385.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,493.35 : 17,247.72 = 4,921.15 : x
  2. Step 2: Convert to fraction form
    11,493.35/17,247.72 = 4,921.15/x
  3. Step 3: Cross multiply
    11,493.35x = 17,247.72 × 4,921.15
  4. Step 4: Simplify right side
    11,493.35x = 84,878,617.28
  5. Step 5: Solve for x
    x = 84,878,617.28/11,493.35
  6. Step 6: Final answer
    x = 7,385.02

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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.