Home / 11,183.70-15,432.50-6,646.04

Finding the Fourth Proportional to 11,183.70, 15,432.50 and 6,646.04

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Solution

The fourth proportional to 11,183.70, 15,432.50 and 6,646.04 is: 9,170.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,183.70 : 15,432.50 = 6,646.04 : x
  2. Step 2: Convert to fraction form
    11,183.70/15,432.50 = 6,646.04/x
  3. Step 3: Cross multiply
    11,183.70x = 15,432.50 × 6,646.04
  4. Step 4: Simplify right side
    11,183.70x = 102,564,997.27
  5. Step 5: Solve for x
    x = 102,564,997.27/11,183.70
  6. Step 6: Final answer
    x = 9,170.94

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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.