Home / 11,211.24-15,471.68-6,243.24

Finding the Fourth Proportional to 11,211.24, 15,471.68 and 6,243.24

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Solution

The fourth proportional to 11,211.24, 15,471.68 and 6,243.24 is: 8,615.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,211.24 : 15,471.68 = 6,243.24 : x
  2. Step 2: Convert to fraction form
    11,211.24/15,471.68 = 6,243.24/x
  3. Step 3: Cross multiply
    11,211.24x = 15,471.68 × 6,243.24
  4. Step 4: Simplify right side
    11,211.24x = 96,593,411.44
  5. Step 5: Solve for x
    x = 96,593,411.44/11,211.24
  6. Step 6: Final answer
    x = 8,615.77

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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.