Home / 11,016.48-15,215.34-7,256.44

Finding the Fourth Proportional to 11,016.48, 15,215.34 and 7,256.44

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Solution

The fourth proportional to 11,016.48, 15,215.34 and 7,256.44 is: 10,022.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,016.48 : 15,215.34 = 7,256.44 : x
  2. Step 2: Convert to fraction form
    11,016.48/15,215.34 = 7,256.44/x
  3. Step 3: Cross multiply
    11,016.48x = 15,215.34 × 7,256.44
  4. Step 4: Simplify right side
    11,016.48x = 110,409,201.79
  5. Step 5: Solve for x
    x = 110,409,201.79/11,016.48
  6. Step 6: Final answer
    x = 10,022.19

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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.