Home / 8,380.32-11,562.77-4,746.43

Finding the Fourth Proportional to 8,380.32, 11,562.77 and 4,746.43

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Solution

The fourth proportional to 8,380.32, 11,562.77 and 4,746.43 is: 6,548.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,380.32 : 11,562.77 = 4,746.43 : x
  2. Step 2: Convert to fraction form
    8,380.32/11,562.77 = 4,746.43/x
  3. Step 3: Cross multiply
    8,380.32x = 11,562.77 × 4,746.43
  4. Step 4: Simplify right side
    8,380.32x = 54,881,878.41
  5. Step 5: Solve for x
    x = 54,881,878.41/8,380.32
  6. Step 6: Final answer
    x = 6,548.90

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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.