Home / 11,039.50-15,234.55-6,003.72

Finding the Fourth Proportional to 11,039.50, 15,234.55 and 6,003.72

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Solution

The fourth proportional to 11,039.50, 15,234.55 and 6,003.72 is: 8,285.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,039.50 : 15,234.55 = 6,003.72 : x
  2. Step 2: Convert to fraction form
    11,039.50/15,234.55 = 6,003.72/x
  3. Step 3: Cross multiply
    11,039.50x = 15,234.55 × 6,003.72
  4. Step 4: Simplify right side
    11,039.50x = 91,463,957.52
  5. Step 5: Solve for x
    x = 91,463,957.52/11,039.50
  6. Step 6: Final answer
    x = 8,285.15

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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.