Home / 7,959.39-10,984.29-4,422.61

Finding the Fourth Proportional to 7,959.39, 10,984.29 and 4,422.61

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Solution

The fourth proportional to 7,959.39, 10,984.29 and 4,422.61 is: 6,103.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,959.39 : 10,984.29 = 4,422.61 : x
  2. Step 2: Convert to fraction form
    7,959.39/10,984.29 = 4,422.61/x
  3. Step 3: Cross multiply
    7,959.39x = 10,984.29 × 4,422.61
  4. Step 4: Simplify right side
    7,959.39x = 48,579,230.80
  5. Step 5: Solve for x
    x = 48,579,230.80/7,959.39
  6. Step 6: Final answer
    x = 6,103.39

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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.