Home / 10,695.36-16,035.12-5,144.16

Finding the Fourth Proportional to 10,695.36, 16,035.12 and 5,144.16

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Solution

The fourth proportional to 10,695.36, 16,035.12 and 5,144.16 is: 7,712.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,695.36 : 16,035.12 = 5,144.16 : x
  2. Step 2: Convert to fraction form
    10,695.36/16,035.12 = 5,144.16/x
  3. Step 3: Cross multiply
    10,695.36x = 16,035.12 × 5,144.16
  4. Step 4: Simplify right side
    10,695.36x = 82,487,222.90
  5. Step 5: Solve for x
    x = 82,487,222.90/10,695.36
  6. Step 6: Final answer
    x = 7,712.43

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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.