Home / 9,926.39-13,698.09-5,677.39

Finding the Fourth Proportional to 9,926.39, 13,698.09 and 5,677.39

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Solution

The fourth proportional to 9,926.39, 13,698.09 and 5,677.39 is: 7,834.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,926.39 : 13,698.09 = 5,677.39 : x
  2. Step 2: Convert to fraction form
    9,926.39/13,698.09 = 5,677.39/x
  3. Step 3: Cross multiply
    9,926.39x = 13,698.09 × 5,677.39
  4. Step 4: Simplify right side
    9,926.39x = 77,769,416.31
  5. Step 5: Solve for x
    x = 77,769,416.31/9,926.39
  6. Step 6: Final answer
    x = 7,834.61

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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.