Home / 9,767.67-13,479.26-5,291.31

Finding the Fourth Proportional to 9,767.67, 13,479.26 and 5,291.31

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Solution

The fourth proportional to 9,767.67, 13,479.26 and 5,291.31 is: 7,301.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,767.67 : 13,479.26 = 5,291.31 : x
  2. Step 2: Convert to fraction form
    9,767.67/13,479.26 = 5,291.31/x
  3. Step 3: Cross multiply
    9,767.67x = 13,479.26 × 5,291.31
  4. Step 4: Simplify right side
    9,767.67x = 71,322,956.46
  5. Step 5: Solve for x
    x = 71,322,956.46/9,767.67
  6. Step 6: Final answer
    x = 7,301.94

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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.