Home / 9,623.97-13,279.19-5,431.41

Finding the Fourth Proportional to 9,623.97, 13,279.19 and 5,431.41

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Solution

The fourth proportional to 9,623.97, 13,279.19 and 5,431.41 is: 7,494.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,623.97 : 13,279.19 = 5,431.41 : x
  2. Step 2: Convert to fraction form
    9,623.97/13,279.19 = 5,431.41/x
  3. Step 3: Cross multiply
    9,623.97x = 13,279.19 × 5,431.41
  4. Step 4: Simplify right side
    9,623.97x = 72,124,725.36
  5. Step 5: Solve for x
    x = 72,124,725.36/9,623.97
  6. Step 6: Final answer
    x = 7,494.28

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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.