Home / 7,867.32-11,794.69-3,705.13

Finding the Fourth Proportional to 7,867.32, 11,794.69 and 3,705.13

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Solution

The fourth proportional to 7,867.32, 11,794.69 and 3,705.13 is: 5,554.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,867.32 : 11,794.69 = 3,705.13 : x
  2. Step 2: Convert to fraction form
    7,867.32/11,794.69 = 3,705.13/x
  3. Step 3: Cross multiply
    7,867.32x = 11,794.69 × 3,705.13
  4. Step 4: Simplify right side
    7,867.32x = 43,700,859.76
  5. Step 5: Solve for x
    x = 43,700,859.76/7,867.32
  6. Step 6: Final answer
    x = 5,554.73

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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.