Home / 12,608.07-17,400.20-6,943.92

Finding the Fourth Proportional to 12,608.07, 17,400.20 and 6,943.92

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Solution

The fourth proportional to 12,608.07, 17,400.20 and 6,943.92 is: 9,583.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,608.07 : 17,400.20 = 6,943.92 : x
  2. Step 2: Convert to fraction form
    12,608.07/17,400.20 = 6,943.92/x
  3. Step 3: Cross multiply
    12,608.07x = 17,400.20 × 6,943.92
  4. Step 4: Simplify right side
    12,608.07x = 120,825,596.78
  5. Step 5: Solve for x
    x = 120,825,596.78/12,608.07
  6. Step 6: Final answer
    x = 9,583.20

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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.