Home / 11,893.64-16,397.20-10,207.76

Finding the Fourth Proportional to 11,893.64, 16,397.20 and 10,207.76

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Solution

The fourth proportional to 11,893.64, 16,397.20 and 10,207.76 is: 14,072.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,893.64 : 16,397.20 = 10,207.76 : x
  2. Step 2: Convert to fraction form
    11,893.64/16,397.20 = 10,207.76/x
  3. Step 3: Cross multiply
    11,893.64x = 16,397.20 × 10,207.76
  4. Step 4: Simplify right side
    11,893.64x = 167,378,682.27
  5. Step 5: Solve for x
    x = 167,378,682.27/11,893.64
  6. Step 6: Final answer
    x = 14,072.96

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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.