Home / 8,579.52-11,840.38-4,803.91

Finding the Fourth Proportional to 8,579.52, 11,840.38 and 4,803.91

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Solution

The fourth proportional to 8,579.52, 11,840.38 and 4,803.91 is: 6,629.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,579.52 : 11,840.38 = 4,803.91 : x
  2. Step 2: Convert to fraction form
    8,579.52/11,840.38 = 4,803.91/x
  3. Step 3: Cross multiply
    8,579.52x = 11,840.38 × 4,803.91
  4. Step 4: Simplify right side
    8,579.52x = 56,880,078.28
  5. Step 5: Solve for x
    x = 56,880,078.28/8,579.52
  6. Step 6: Final answer
    x = 6,629.75

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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.