Home / 7,425.60-11,116.52-5,486.48

Finding the Fourth Proportional to 7,425.60, 11,116.52 and 5,486.48

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Solution

The fourth proportional to 7,425.60, 11,116.52 and 5,486.48 is: 8,213.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,425.60 : 11,116.52 = 5,486.48 : x
  2. Step 2: Convert to fraction form
    7,425.60/11,116.52 = 5,486.48/x
  3. Step 3: Cross multiply
    7,425.60x = 11,116.52 × 5,486.48
  4. Step 4: Simplify right side
    7,425.60x = 60,990,564.65
  5. Step 5: Solve for x
    x = 60,990,564.65/7,425.60
  6. Step 6: Final answer
    x = 8,213.55

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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.