Home / 11,358.42-15,676.92-6,644.22

Finding the Fourth Proportional to 11,358.42, 15,676.92 and 6,644.22

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Solution

The fourth proportional to 11,358.42, 15,676.92 and 6,644.22 is: 9,170.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,358.42 : 15,676.92 = 6,644.22 : x
  2. Step 2: Convert to fraction form
    11,358.42/15,676.92 = 6,644.22/x
  3. Step 3: Cross multiply
    11,358.42x = 15,676.92 × 6,644.22
  4. Step 4: Simplify right side
    11,358.42x = 104,160,905.40
  5. Step 5: Solve for x
    x = 104,160,905.40/11,358.42
  6. Step 6: Final answer
    x = 9,170.37

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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.