Home / 9,767.98-13,479.81-5,291.73

Finding the Fourth Proportional to 9,767.98, 13,479.81 and 5,291.73

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Solution

The fourth proportional to 9,767.98, 13,479.81 and 5,291.73 is: 7,302.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,767.98 : 13,479.81 = 5,291.73 : x
  2. Step 2: Convert to fraction form
    9,767.98/13,479.81 = 5,291.73/x
  3. Step 3: Cross multiply
    9,767.98x = 13,479.81 × 5,291.73
  4. Step 4: Simplify right side
    9,767.98x = 71,331,514.97
  5. Step 5: Solve for x
    x = 71,331,514.97/9,767.98
  6. Step 6: Final answer
    x = 7,302.59

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1.5x scale

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.