Home / 12,163.73-16,785.51-6,859.04

Finding the Fourth Proportional to 12,163.73, 16,785.51 and 6,859.04

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Solution

The fourth proportional to 12,163.73, 16,785.51 and 6,859.04 is: 9,465.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,163.73 : 16,785.51 = 6,859.04 : x
  2. Step 2: Convert to fraction form
    12,163.73/16,785.51 = 6,859.04/x
  3. Step 3: Cross multiply
    12,163.73x = 16,785.51 × 6,859.04
  4. Step 4: Simplify right side
    12,163.73x = 115,132,484.51
  5. Step 5: Solve for x
    x = 115,132,484.51/12,163.73
  6. Step 6: Final answer
    x = 9,465.23

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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.