Home / 11,146.33-16,721.55-9,084.63

Finding the Fourth Proportional to 11,146.33, 16,721.55 and 9,084.63

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Solution

The fourth proportional to 11,146.33, 16,721.55 and 9,084.63 is: 13,628.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,146.33 : 16,721.55 = 9,084.63 : x
  2. Step 2: Convert to fraction form
    11,146.33/16,721.55 = 9,084.63/x
  3. Step 3: Cross multiply
    11,146.33x = 16,721.55 × 9,084.63
  4. Step 4: Simplify right side
    11,146.33x = 151,908,998.00
  5. Step 5: Solve for x
    x = 151,908,998.00/11,146.33
  6. Step 6: Final answer
    x = 13,628.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.