Home / 12,841.07-19,265.72-5,451.74

Finding the Fourth Proportional to 12,841.07, 19,265.72 and 5,451.74

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Solution

The fourth proportional to 12,841.07, 19,265.72 and 5,451.74 is: 8,179.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,841.07 : 19,265.72 = 5,451.74 : x
  2. Step 2: Convert to fraction form
    12,841.07/19,265.72 = 5,451.74/x
  3. Step 3: Cross multiply
    12,841.07x = 19,265.72 × 5,451.74
  4. Step 4: Simplify right side
    12,841.07x = 105,031,645.01
  5. Step 5: Solve for x
    x = 105,031,645.01/12,841.07
  6. Step 6: Final answer
    x = 8,179.36

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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.