Home / 11,272.50-15,556.77-6,304.50

Finding the Fourth Proportional to 11,272.50, 15,556.77 and 6,304.50

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Solution

The fourth proportional to 11,272.50, 15,556.77 and 6,304.50 is: 8,700.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,272.50 : 15,556.77 = 6,304.50 : x
  2. Step 2: Convert to fraction form
    11,272.50/15,556.77 = 6,304.50/x
  3. Step 3: Cross multiply
    11,272.50x = 15,556.77 × 6,304.50
  4. Step 4: Simplify right side
    11,272.50x = 98,077,656.47
  5. Step 5: Solve for x
    x = 98,077,656.47/11,272.50
  6. Step 6: Final answer
    x = 8,700.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.