Home / 12,833.13-19,258.91-5,439.66

Finding the Fourth Proportional to 12,833.13, 19,258.91 and 5,439.66

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Solution

The fourth proportional to 12,833.13, 19,258.91 and 5,439.66 is: 8,163.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,833.13 : 19,258.91 = 5,439.66 : x
  2. Step 2: Convert to fraction form
    12,833.13/19,258.91 = 5,439.66/x
  3. Step 3: Cross multiply
    12,833.13x = 19,258.91 × 5,439.66
  4. Step 4: Simplify right side
    12,833.13x = 104,761,922.37
  5. Step 5: Solve for x
    x = 104,761,922.37/12,833.13
  6. Step 6: Final answer
    x = 8,163.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.