Home / 8,740.86-12,062.32-4,761.96

Finding the Fourth Proportional to 8,740.86, 12,062.32 and 4,761.96

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Solution

The fourth proportional to 8,740.86, 12,062.32 and 4,761.96 is: 6,571.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,740.86 : 12,062.32 = 4,761.96 : x
  2. Step 2: Convert to fraction form
    8,740.86/12,062.32 = 4,761.96/x
  3. Step 3: Cross multiply
    8,740.86x = 12,062.32 × 4,761.96
  4. Step 4: Simplify right side
    8,740.86x = 57,440,285.35
  5. Step 5: Solve for x
    x = 57,440,285.35/8,740.86
  6. Step 6: Final answer
    x = 6,571.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.