Home / 11,203.56-16,723.89-10,279.08

Finding the Fourth Proportional to 11,203.56, 16,723.89 and 10,279.08

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Solution

The fourth proportional to 11,203.56, 16,723.89 and 10,279.08 is: 15,343.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,203.56 : 16,723.89 = 10,279.08 : x
  2. Step 2: Convert to fraction form
    11,203.56/16,723.89 = 10,279.08/x
  3. Step 3: Cross multiply
    11,203.56x = 16,723.89 × 10,279.08
  4. Step 4: Simplify right side
    11,203.56x = 171,906,203.22
  5. Step 5: Solve for x
    x = 171,906,203.22/11,203.56
  6. Step 6: Final answer
    x = 15,343.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.