Home / 11,462.89-15,818.58-6,427.09

Finding the Fourth Proportional to 11,462.89, 15,818.58 and 6,427.09

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Solution

The fourth proportional to 11,462.89, 15,818.58 and 6,427.09 is: 8,869.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,462.89 : 15,818.58 = 6,427.09 : x
  2. Step 2: Convert to fraction form
    11,462.89/15,818.58 = 6,427.09/x
  3. Step 3: Cross multiply
    11,462.89x = 15,818.58 × 6,427.09
  4. Step 4: Simplify right side
    11,462.89x = 101,667,497.43
  5. Step 5: Solve for x
    x = 101,667,497.43/11,462.89
  6. Step 6: Final answer
    x = 8,869.27

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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.