Home / 11,287.32-15,576.36-6,251.52

Finding the Fourth Proportional to 11,287.32, 15,576.36 and 6,251.52

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Solution

The fourth proportional to 11,287.32, 15,576.36 and 6,251.52 is: 8,627.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,287.32 : 15,576.36 = 6,251.52 : x
  2. Step 2: Convert to fraction form
    11,287.32/15,576.36 = 6,251.52/x
  3. Step 3: Cross multiply
    11,287.32x = 15,576.36 × 6,251.52
  4. Step 4: Simplify right side
    11,287.32x = 97,375,926.07
  5. Step 5: Solve for x
    x = 97,375,926.07/11,287.32
  6. Step 6: Final answer
    x = 8,627.02

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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.