Home / 12,841.22-19,246.98-5,434.58

Finding the Fourth Proportional to 12,841.22, 19,246.98 and 5,434.58

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Solution

The fourth proportional to 12,841.22, 19,246.98 and 5,434.58 is: 8,145.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,841.22 : 19,246.98 = 5,434.58 : x
  2. Step 2: Convert to fraction form
    12,841.22/19,246.98 = 5,434.58/x
  3. Step 3: Cross multiply
    12,841.22x = 19,246.98 × 5,434.58
  4. Step 4: Simplify right side
    12,841.22x = 104,599,252.57
  5. Step 5: Solve for x
    x = 104,599,252.57/12,841.22
  6. Step 6: Final answer
    x = 8,145.59

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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.