Home / 11,433.96-15,778.90-6,717.94

Finding the Fourth Proportional to 11,433.96, 15,778.90 and 6,717.94

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Solution

The fourth proportional to 11,433.96, 15,778.90 and 6,717.94 is: 9,270.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,433.96 : 15,778.90 = 6,717.94 : x
  2. Step 2: Convert to fraction form
    11,433.96/15,778.90 = 6,717.94/x
  3. Step 3: Cross multiply
    11,433.96x = 15,778.90 × 6,717.94
  4. Step 4: Simplify right side
    11,433.96x = 106,001,672.42
  5. Step 5: Solve for x
    x = 106,001,672.42/11,433.96
  6. Step 6: Final answer
    x = 9,270.78

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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.