Home / 7,979.06-11,970.31-2,432.26

Finding the Fourth Proportional to 7,979.06, 11,970.31 and 2,432.26

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Solution

The fourth proportional to 7,979.06, 11,970.31 and 2,432.26 is: 3,648.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,979.06 : 11,970.31 = 2,432.26 : x
  2. Step 2: Convert to fraction form
    7,979.06/11,970.31 = 2,432.26/x
  3. Step 3: Cross multiply
    7,979.06x = 11,970.31 × 2,432.26
  4. Step 4: Simplify right side
    7,979.06x = 29,114,906.20
  5. Step 5: Solve for x
    x = 29,114,906.20/7,979.06
  6. Step 6: Final answer
    x = 3,648.91

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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.