Home / 12,998.16-19,498.86-4,233.96

Finding the Fourth Proportional to 12,998.16, 19,498.86 and 4,233.96

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Solution

The fourth proportional to 12,998.16, 19,498.86 and 4,233.96 is: 6,351.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,998.16 : 19,498.86 = 4,233.96 : x
  2. Step 2: Convert to fraction form
    12,998.16/19,498.86 = 4,233.96/x
  3. Step 3: Cross multiply
    12,998.16x = 19,498.86 × 4,233.96
  4. Step 4: Simplify right side
    12,998.16x = 82,557,393.29
  5. Step 5: Solve for x
    x = 82,557,393.29/12,998.16
  6. Step 6: Final answer
    x = 6,351.47

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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.