Home / 8,740.25-13,108.65-3,403.44

Finding the Fourth Proportional to 8,740.25, 13,108.65 and 3,403.44

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Solution

The fourth proportional to 8,740.25, 13,108.65 and 3,403.44 is: 5,104.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,740.25 : 13,108.65 = 3,403.44 : x
  2. Step 2: Convert to fraction form
    8,740.25/13,108.65 = 3,403.44/x
  3. Step 3: Cross multiply
    8,740.25x = 13,108.65 × 3,403.44
  4. Step 4: Simplify right side
    8,740.25x = 44,614,503.76
  5. Step 5: Solve for x
    x = 44,614,503.76/8,740.25
  6. Step 6: Final answer
    x = 5,104.49

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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.