Home / 7,836.16-11,758.86-2,909.26

Finding the Fourth Proportional to 7,836.16, 11,758.86 and 2,909.26

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Solution

The fourth proportional to 7,836.16, 11,758.86 and 2,909.26 is: 4,365.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,836.16 : 11,758.86 = 2,909.26 : x
  2. Step 2: Convert to fraction form
    7,836.16/11,758.86 = 2,909.26/x
  3. Step 3: Cross multiply
    7,836.16x = 11,758.86 × 2,909.26
  4. Step 4: Simplify right side
    7,836.16x = 34,209,581.04
  5. Step 5: Solve for x
    x = 34,209,581.04/7,836.16
  6. Step 6: Final answer
    x = 4,365.61

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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.