Home / 11,902.10-16,416.17-8,548.36

Finding the Fourth Proportional to 11,902.10, 16,416.17 and 8,548.36

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Solution

The fourth proportional to 11,902.10, 16,416.17 and 8,548.36 is: 11,790.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,902.10 : 16,416.17 = 8,548.36 : x
  2. Step 2: Convert to fraction form
    11,902.10/16,416.17 = 8,548.36/x
  3. Step 3: Cross multiply
    11,902.10x = 16,416.17 × 8,548.36
  4. Step 4: Simplify right side
    11,902.10x = 140,331,384.57
  5. Step 5: Solve for x
    x = 140,331,384.57/11,902.10
  6. Step 6: Final answer
    x = 11,790.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.