Home / 9,170.72-13,746.76-3,616.44

Finding the Fourth Proportional to 9,170.72, 13,746.76 and 3,616.44

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Solution

The fourth proportional to 9,170.72, 13,746.76 and 3,616.44 is: 5,420.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,170.72 : 13,746.76 = 3,616.44 : x
  2. Step 2: Convert to fraction form
    9,170.72/13,746.76 = 3,616.44/x
  3. Step 3: Cross multiply
    9,170.72x = 13,746.76 × 3,616.44
  4. Step 4: Simplify right side
    9,170.72x = 49,714,292.49
  5. Step 5: Solve for x
    x = 49,714,292.49/9,170.72
  6. Step 6: Final answer
    x = 5,420.98

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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.