Home / 12,350.77-17,043.94-6,685.40

Finding the Fourth Proportional to 12,350.77, 17,043.94 and 6,685.40

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Solution

The fourth proportional to 12,350.77, 17,043.94 and 6,685.40 is: 9,225.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,350.77 : 17,043.94 = 6,685.40 : x
  2. Step 2: Convert to fraction form
    12,350.77/17,043.94 = 6,685.40/x
  3. Step 3: Cross multiply
    12,350.77x = 17,043.94 × 6,685.40
  4. Step 4: Simplify right side
    12,350.77x = 113,945,556.48
  5. Step 5: Solve for x
    x = 113,945,556.48/12,350.77
  6. Step 6: Final answer
    x = 9,225.79

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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.