Home / 10,761.72-16,142.04-10,192.92

Finding the Fourth Proportional to 10,761.72, 16,142.04 and 10,192.92

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Solution

The fourth proportional to 10,761.72, 16,142.04 and 10,192.92 is: 15,288.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,761.72 : 16,142.04 = 10,192.92 : x
  2. Step 2: Convert to fraction form
    10,761.72/16,142.04 = 10,192.92/x
  3. Step 3: Cross multiply
    10,761.72x = 16,142.04 × 10,192.92
  4. Step 4: Simplify right side
    10,761.72x = 164,534,522.36
  5. Step 5: Solve for x
    x = 164,534,522.36/10,761.72
  6. Step 6: Final answer
    x = 15,288.87

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1.5x scale

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.