Home / 9,788.18-14,679.29-2,767.64

Finding the Fourth Proportional to 9,788.18, 14,679.29 and 2,767.64

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Solution

The fourth proportional to 9,788.18, 14,679.29 and 2,767.64 is: 4,150.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,788.18 : 14,679.29 = 2,767.64 : x
  2. Step 2: Convert to fraction form
    9,788.18/14,679.29 = 2,767.64/x
  3. Step 3: Cross multiply
    9,788.18x = 14,679.29 × 2,767.64
  4. Step 4: Simplify right side
    9,788.18x = 40,626,923.70
  5. Step 5: Solve for x
    x = 40,626,923.70/9,788.18
  6. Step 6: Final answer
    x = 4,150.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.