Home / 9,623.80-13,279.94-5,644.18

Finding the Fourth Proportional to 9,623.80, 13,279.94 and 5,644.18

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Solution

The fourth proportional to 9,623.80, 13,279.94 and 5,644.18 is: 7,788.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,623.80 : 13,279.94 = 5,644.18 : x
  2. Step 2: Convert to fraction form
    9,623.80/13,279.94 = 5,644.18/x
  3. Step 3: Cross multiply
    9,623.80x = 13,279.94 × 5,644.18
  4. Step 4: Simplify right side
    9,623.80x = 74,954,371.75
  5. Step 5: Solve for x
    x = 74,954,371.75/9,623.80
  6. Step 6: Final answer
    x = 7,788.44

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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.