Home / 10,231.39-14,119.19-5,755.13

Finding the Fourth Proportional to 10,231.39, 14,119.19 and 5,755.13

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Solution

The fourth proportional to 10,231.39, 14,119.19 and 5,755.13 is: 7,942.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,231.39 : 14,119.19 = 5,755.13 : x
  2. Step 2: Convert to fraction form
    10,231.39/14,119.19 = 5,755.13/x
  3. Step 3: Cross multiply
    10,231.39x = 14,119.19 × 5,755.13
  4. Step 4: Simplify right side
    10,231.39x = 81,257,745.17
  5. Step 5: Solve for x
    x = 81,257,745.17/10,231.39
  6. Step 6: Final answer
    x = 7,942.00

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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.