Home / 10,903.82-15,054.86-7,324.22

Finding the Fourth Proportional to 10,903.82, 15,054.86 and 7,324.22

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Solution

The fourth proportional to 10,903.82, 15,054.86 and 7,324.22 is: 10,112.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,903.82 : 15,054.86 = 7,324.22 : x
  2. Step 2: Convert to fraction form
    10,903.82/15,054.86 = 7,324.22/x
  3. Step 3: Cross multiply
    10,903.82x = 15,054.86 × 7,324.22
  4. Step 4: Simplify right side
    10,903.82x = 110,265,162.66
  5. Step 5: Solve for x
    x = 110,265,162.66/10,903.82
  6. Step 6: Final answer
    x = 10,112.53

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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.