Home / 10,253.29-15,379.94-3,328.33

Finding the Fourth Proportional to 10,253.29, 15,379.94 and 3,328.33

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Solution

The fourth proportional to 10,253.29, 15,379.94 and 3,328.33 is: 4,992.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,253.29 : 15,379.94 = 3,328.33 : x
  2. Step 2: Convert to fraction form
    10,253.29/15,379.94 = 3,328.33/x
  3. Step 3: Cross multiply
    10,253.29x = 15,379.94 × 3,328.33
  4. Step 4: Simplify right side
    10,253.29x = 51,189,515.70
  5. Step 5: Solve for x
    x = 51,189,515.70/10,253.29
  6. Step 6: Final answer
    x = 4,992.50

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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.