Home / 11,239.96-15,511.12-6,204.19

Finding the Fourth Proportional to 11,239.96, 15,511.12 and 6,204.19

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Solution

The fourth proportional to 11,239.96, 15,511.12 and 6,204.19 is: 8,561.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,239.96 : 15,511.12 = 6,204.19 : x
  2. Step 2: Convert to fraction form
    11,239.96/15,511.12 = 6,204.19/x
  3. Step 3: Cross multiply
    11,239.96x = 15,511.12 × 6,204.19
  4. Step 4: Simplify right side
    11,239.96x = 96,233,935.59
  5. Step 5: Solve for x
    x = 96,233,935.59/11,239.96
  6. Step 6: Final answer
    x = 8,561.77

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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.