Home / 11,183.23-15,432.89-6,403.25

Finding the Fourth Proportional to 11,183.23, 15,432.89 and 6,403.25

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Solution

The fourth proportional to 11,183.23, 15,432.89 and 6,403.25 is: 8,836.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,183.23 : 15,432.89 = 6,403.25 : x
  2. Step 2: Convert to fraction form
    11,183.23/15,432.89 = 6,403.25/x
  3. Step 3: Cross multiply
    11,183.23x = 15,432.89 × 6,403.25
  4. Step 4: Simplify right side
    11,183.23x = 98,820,590.66
  5. Step 5: Solve for x
    x = 98,820,590.66/11,183.23
  6. Step 6: Final answer
    x = 8,836.50

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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.