Home / 12,424.79-17,146.26-6,759.59

Finding the Fourth Proportional to 12,424.79, 17,146.26 and 6,759.59

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Solution

The fourth proportional to 12,424.79, 17,146.26 and 6,759.59 is: 9,328.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,424.79 : 17,146.26 = 6,759.59 : x
  2. Step 2: Convert to fraction form
    12,424.79/17,146.26 = 6,759.59/x
  3. Step 3: Cross multiply
    12,424.79x = 17,146.26 × 6,759.59
  4. Step 4: Simplify right side
    12,424.79x = 115,901,601.90
  5. Step 5: Solve for x
    x = 115,901,601.90/12,424.79
  6. Step 6: Final answer
    x = 9,328.25

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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.