Home / 8,828.19-12,192.75-5,990.63

Finding the Fourth Proportional to 8,828.19, 12,192.75 and 5,990.63

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Solution

The fourth proportional to 8,828.19, 12,192.75 and 5,990.63 is: 8,273.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,828.19 : 12,192.75 = 5,990.63 : x
  2. Step 2: Convert to fraction form
    8,828.19/12,192.75 = 5,990.63/x
  3. Step 3: Cross multiply
    8,828.19x = 12,192.75 × 5,990.63
  4. Step 4: Simplify right side
    8,828.19x = 73,042,192.97
  5. Step 5: Solve for x
    x = 73,042,192.97/8,828.19
  6. Step 6: Final answer
    x = 8,273.75

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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.