Home / 8,389.08-11,579.27-4,806.05

Finding the Fourth Proportional to 8,389.08, 11,579.27 and 4,806.05

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Solution

The fourth proportional to 8,389.08, 11,579.27 and 4,806.05 is: 6,633.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,389.08 : 11,579.27 = 4,806.05 : x
  2. Step 2: Convert to fraction form
    8,389.08/11,579.27 = 4,806.05/x
  3. Step 3: Cross multiply
    8,389.08x = 11,579.27 × 4,806.05
  4. Step 4: Simplify right side
    8,389.08x = 55,650,468.66
  5. Step 5: Solve for x
    x = 55,650,468.66/8,389.08
  6. Step 6: Final answer
    x = 6,633.68

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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.