Home / 8,581.19-11,839.29-4,803.80

Finding the Fourth Proportional to 8,581.19, 11,839.29 and 4,803.80

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Solution

The fourth proportional to 8,581.19, 11,839.29 and 4,803.80 is: 6,627.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,581.19 : 11,839.29 = 4,803.80 : x
  2. Step 2: Convert to fraction form
    8,581.19/11,839.29 = 4,803.80/x
  3. Step 3: Cross multiply
    8,581.19x = 11,839.29 × 4,803.80
  4. Step 4: Simplify right side
    8,581.19x = 56,873,581.30
  5. Step 5: Solve for x
    x = 56,873,581.30/8,581.19
  6. Step 6: Final answer
    x = 6,627.70

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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.