Home / 8,712.18-12,022.56-4,733.30

Finding the Fourth Proportional to 8,712.18, 12,022.56 and 4,733.30

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Solution

The fourth proportional to 8,712.18, 12,022.56 and 4,733.30 is: 6,531.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,712.18 : 12,022.56 = 4,733.30 : x
  2. Step 2: Convert to fraction form
    8,712.18/12,022.56 = 4,733.30/x
  3. Step 3: Cross multiply
    8,712.18x = 12,022.56 × 4,733.30
  4. Step 4: Simplify right side
    8,712.18x = 56,906,352.60
  5. Step 5: Solve for x
    x = 56,906,352.60/8,712.18
  6. Step 6: Final answer
    x = 6,531.82

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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.