Home / 9,623.73-13,279.41-5,374.20

Finding the Fourth Proportional to 9,623.73, 13,279.41 and 5,374.20

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Solution

The fourth proportional to 9,623.73, 13,279.41 and 5,374.20 is: 7,415.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,623.73 : 13,279.41 = 5,374.20 : x
  2. Step 2: Convert to fraction form
    9,623.73/13,279.41 = 5,374.20/x
  3. Step 3: Cross multiply
    9,623.73x = 13,279.41 × 5,374.20
  4. Step 4: Simplify right side
    9,623.73x = 71,366,205.22
  5. Step 5: Solve for x
    x = 71,366,205.22/9,623.73
  6. Step 6: Final answer
    x = 7,415.65

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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.