Home / 8,671.41-13,009.55-3,480.93

Finding the Fourth Proportional to 8,671.41, 13,009.55 and 3,480.93

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Solution

The fourth proportional to 8,671.41, 13,009.55 and 3,480.93 is: 5,222.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,671.41 : 13,009.55 = 3,480.93 : x
  2. Step 2: Convert to fraction form
    8,671.41/13,009.55 = 3,480.93/x
  3. Step 3: Cross multiply
    8,671.41x = 13,009.55 × 3,480.93
  4. Step 4: Simplify right side
    8,671.41x = 45,285,315.48
  5. Step 5: Solve for x
    x = 45,285,315.48/8,671.41
  6. Step 6: Final answer
    x = 5,222.37

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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.