Home / 11,039.63-15,234.75-6,324.21

Finding the Fourth Proportional to 11,039.63, 15,234.75 and 6,324.21

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Solution

The fourth proportional to 11,039.63, 15,234.75 and 6,324.21 is: 8,727.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,039.63 : 15,234.75 = 6,324.21 : x
  2. Step 2: Convert to fraction form
    11,039.63/15,234.75 = 6,324.21/x
  3. Step 3: Cross multiply
    11,039.63x = 15,234.75 × 6,324.21
  4. Step 4: Simplify right side
    11,039.63x = 96,347,758.30
  5. Step 5: Solve for x
    x = 96,347,758.30/11,039.63
  6. Step 6: Final answer
    x = 8,727.45

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Half scale
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Double scale
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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.