Home / 11,872.45-16,383.90-7,094.58

Finding the Fourth Proportional to 11,872.45, 16,383.90 and 7,094.58

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Solution

The fourth proportional to 11,872.45, 16,383.90 and 7,094.58 is: 9,790.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,872.45 : 16,383.90 = 7,094.58 : x
  2. Step 2: Convert to fraction form
    11,872.45/16,383.90 = 7,094.58/x
  3. Step 3: Cross multiply
    11,872.45x = 16,383.90 × 7,094.58
  4. Step 4: Simplify right side
    11,872.45x = 116,236,889.26
  5. Step 5: Solve for x
    x = 116,236,889.26/11,872.45
  6. Step 6: Final answer
    x = 9,790.47

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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.