Home / 11,536.04-15,906.84-9,018.56

Finding the Fourth Proportional to 11,536.04, 15,906.84 and 9,018.56

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Solution

The fourth proportional to 11,536.04, 15,906.84 and 9,018.56 is: 12,435.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,536.04 : 15,906.84 = 9,018.56 : x
  2. Step 2: Convert to fraction form
    11,536.04/15,906.84 = 9,018.56/x
  3. Step 3: Cross multiply
    11,536.04x = 15,906.84 × 9,018.56
  4. Step 4: Simplify right side
    11,536.04x = 143,456,790.95
  5. Step 5: Solve for x
    x = 143,456,790.95/11,536.04
  6. Step 6: Final answer
    x = 12,435.53

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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.