Home / 8,493.80-11,719.14-4,767.72

Finding the Fourth Proportional to 8,493.80, 11,719.14 and 4,767.72

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Solution

The fourth proportional to 8,493.80, 11,719.14 and 4,767.72 is: 6,578.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,493.80 : 11,719.14 = 4,767.72 : x
  2. Step 2: Convert to fraction form
    8,493.80/11,719.14 = 4,767.72/x
  3. Step 3: Cross multiply
    8,493.80x = 11,719.14 × 4,767.72
  4. Step 4: Simplify right side
    8,493.80x = 55,873,578.16
  5. Step 5: Solve for x
    x = 55,873,578.16/8,493.80
  6. Step 6: Final answer
    x = 6,578.16

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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.