Home / 8,046.36-12,069.48-5,290.44

Finding the Fourth Proportional to 8,046.36, 12,069.48 and 5,290.44

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Solution

The fourth proportional to 8,046.36, 12,069.48 and 5,290.44 is: 7,935.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,046.36 : 12,069.48 = 5,290.44 : x
  2. Step 2: Convert to fraction form
    8,046.36/12,069.48 = 5,290.44/x
  3. Step 3: Cross multiply
    8,046.36x = 12,069.48 × 5,290.44
  4. Step 4: Simplify right side
    8,046.36x = 63,852,859.77
  5. Step 5: Solve for x
    x = 63,852,859.77/8,046.36
  6. Step 6: Final answer
    x = 7,935.62

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Similar ratio
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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.