Home / 10,352.69-15,531.32-3,778.85

Finding the Fourth Proportional to 10,352.69, 15,531.32 and 3,778.85

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Solution

The fourth proportional to 10,352.69, 15,531.32 and 3,778.85 is: 5,669.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,352.69 : 15,531.32 = 3,778.85 : x
  2. Step 2: Convert to fraction form
    10,352.69/15,531.32 = 3,778.85/x
  3. Step 3: Cross multiply
    10,352.69x = 15,531.32 × 3,778.85
  4. Step 4: Simplify right side
    10,352.69x = 58,690,566.23
  5. Step 5: Solve for x
    x = 58,690,566.23/10,352.69
  6. Step 6: Final answer
    x = 5,669.11

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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.