Home / 8,923.75-13,385.72-3,657.41

Finding the Fourth Proportional to 8,923.75, 13,385.72 and 3,657.41

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Solution

The fourth proportional to 8,923.75, 13,385.72 and 3,657.41 is: 5,486.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,923.75 : 13,385.72 = 3,657.41 : x
  2. Step 2: Convert to fraction form
    8,923.75/13,385.72 = 3,657.41/x
  3. Step 3: Cross multiply
    8,923.75x = 13,385.72 × 3,657.41
  4. Step 4: Simplify right side
    8,923.75x = 48,957,066.19
  5. Step 5: Solve for x
    x = 48,957,066.19/8,923.75
  6. Step 6: Final answer
    x = 5,486.15

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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.