Home / 11,236.08-15,502.68-7,257.36

Finding the Fourth Proportional to 11,236.08, 15,502.68 and 7,257.36

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Solution

The fourth proportional to 11,236.08, 15,502.68 and 7,257.36 is: 10,013.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,236.08 : 15,502.68 = 7,257.36 : x
  2. Step 2: Convert to fraction form
    11,236.08/15,502.68 = 7,257.36/x
  3. Step 3: Cross multiply
    11,236.08x = 15,502.68 × 7,257.36
  4. Step 4: Simplify right side
    11,236.08x = 112,508,529.72
  5. Step 5: Solve for x
    x = 112,508,529.72/11,236.08
  6. Step 6: Final answer
    x = 10,013.15

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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.