Home / 12,424.11-17,145.33-6,758.91

Finding the Fourth Proportional to 12,424.11, 17,145.33 and 6,758.91

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Solution

The fourth proportional to 12,424.11, 17,145.33 and 6,758.91 is: 9,327.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,424.11 : 17,145.33 = 6,758.91 : x
  2. Step 2: Convert to fraction form
    12,424.11/17,145.33 = 6,758.91/x
  3. Step 3: Cross multiply
    12,424.11x = 17,145.33 × 6,758.91
  4. Step 4: Simplify right side
    12,424.11x = 115,883,742.39
  5. Step 5: Solve for x
    x = 115,883,742.39/12,424.11
  6. Step 6: Final answer
    x = 9,327.33

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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.