Home / 11,239.36-15,513.38-6,522.68

Finding the Fourth Proportional to 11,239.36, 15,513.38 and 6,522.68

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Solution

The fourth proportional to 11,239.36, 15,513.38 and 6,522.68 is: 9,003.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,239.36 : 15,513.38 = 6,522.68 : x
  2. Step 2: Convert to fraction form
    11,239.36/15,513.38 = 6,522.68/x
  3. Step 3: Cross multiply
    11,239.36x = 15,513.38 × 6,522.68
  4. Step 4: Simplify right side
    11,239.36x = 101,188,813.46
  5. Step 5: Solve for x
    x = 101,188,813.46/11,239.36
  6. Step 6: Final answer
    x = 9,003.08

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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.