Home / 11,232.80-15,502.28-6,453.39

Finding the Fourth Proportional to 11,232.80, 15,502.28 and 6,453.39

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Solution

The fourth proportional to 11,232.80, 15,502.28 and 6,453.39 is: 8,906.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,232.80 : 15,502.28 = 6,453.39 : x
  2. Step 2: Convert to fraction form
    11,232.80/15,502.28 = 6,453.39/x
  3. Step 3: Cross multiply
    11,232.80x = 15,502.28 × 6,453.39
  4. Step 4: Simplify right side
    11,232.80x = 100,042,226.46
  5. Step 5: Solve for x
    x = 100,042,226.46/11,232.80
  6. Step 6: Final answer
    x = 8,906.26

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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.