Home / 7,422.50-11,135.68-3,263.33

Finding the Fourth Proportional to 7,422.50, 11,135.68 and 3,263.33

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Solution

The fourth proportional to 7,422.50, 11,135.68 and 3,263.33 is: 4,895.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,422.50 : 11,135.68 = 3,263.33 : x
  2. Step 2: Convert to fraction form
    7,422.50/11,135.68 = 3,263.33/x
  3. Step 3: Cross multiply
    7,422.50x = 11,135.68 × 3,263.33
  4. Step 4: Simplify right side
    7,422.50x = 36,339,398.61
  5. Step 5: Solve for x
    x = 36,339,398.61/7,422.50
  6. Step 6: Final answer
    x = 4,895.84

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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.