Home / 10,836.96-16,261.92-7,402.56

Finding the Fourth Proportional to 10,836.96, 16,261.92 and 7,402.56

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Solution

The fourth proportional to 10,836.96, 16,261.92 and 7,402.56 is: 11,108.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,836.96 : 16,261.92 = 7,402.56 : x
  2. Step 2: Convert to fraction form
    10,836.96/16,261.92 = 7,402.56/x
  3. Step 3: Cross multiply
    10,836.96x = 16,261.92 × 7,402.56
  4. Step 4: Simplify right side
    10,836.96x = 120,379,838.52
  5. Step 5: Solve for x
    x = 120,379,838.52/10,836.96
  6. Step 6: Final answer
    x = 11,108.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.