Home / 10,623.22-15,934.83-4,778.26

Finding the Fourth Proportional to 10,623.22, 15,934.83 and 4,778.26

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Solution

The fourth proportional to 10,623.22, 15,934.83 and 4,778.26 is: 7,167.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,623.22 : 15,934.83 = 4,778.26 : x
  2. Step 2: Convert to fraction form
    10,623.22/15,934.83 = 4,778.26/x
  3. Step 3: Cross multiply
    10,623.22x = 15,934.83 × 4,778.26
  4. Step 4: Simplify right side
    10,623.22x = 76,140,760.80
  5. Step 5: Solve for x
    x = 76,140,760.80/10,623.22
  6. Step 6: Final answer
    x = 7,167.39

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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.