Home / 10,981.08-16,467.48-3,959.16

Finding the Fourth Proportional to 10,981.08, 16,467.48 and 3,959.16

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Solution

The fourth proportional to 10,981.08, 16,467.48 and 3,959.16 is: 5,937.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,981.08 : 16,467.48 = 3,959.16 : x
  2. Step 2: Convert to fraction form
    10,981.08/16,467.48 = 3,959.16/x
  3. Step 3: Cross multiply
    10,981.08x = 16,467.48 × 3,959.16
  4. Step 4: Simplify right side
    10,981.08x = 65,197,388.12
  5. Step 5: Solve for x
    x = 65,197,388.12/10,981.08
  6. Step 6: Final answer
    x = 5,937.25

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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.