Home / 11,022.18-15,192.66-8,628.17

Finding the Fourth Proportional to 11,022.18, 15,192.66 and 8,628.17

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Solution

The fourth proportional to 11,022.18, 15,192.66 and 8,628.17 is: 11,892.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,022.18 : 15,192.66 = 8,628.17 : x
  2. Step 2: Convert to fraction form
    11,022.18/15,192.66 = 8,628.17/x
  3. Step 3: Cross multiply
    11,022.18x = 15,192.66 × 8,628.17
  4. Step 4: Simplify right side
    11,022.18x = 131,084,895.08
  5. Step 5: Solve for x
    x = 131,084,895.08/11,022.18
  6. Step 6: Final answer
    x = 11,892.83

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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.