Home / 12,531.36-17,249.64-11,034.48

Finding the Fourth Proportional to 12,531.36, 17,249.64 and 11,034.48

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Solution

The fourth proportional to 12,531.36, 17,249.64 and 11,034.48 is: 15,189.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,531.36 : 17,249.64 = 11,034.48 : x
  2. Step 2: Convert to fraction form
    12,531.36/17,249.64 = 11,034.48/x
  3. Step 3: Cross multiply
    12,531.36x = 17,249.64 × 11,034.48
  4. Step 4: Simplify right side
    12,531.36x = 190,340,807.59
  5. Step 5: Solve for x
    x = 190,340,807.59/12,531.36
  6. Step 6: Final answer
    x = 15,189.16

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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.