Home / 11,287.52-15,576.90-6,251.83

Finding the Fourth Proportional to 11,287.52, 15,576.90 and 6,251.83

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Solution

The fourth proportional to 11,287.52, 15,576.90 and 6,251.83 is: 8,627.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,287.52 : 15,576.90 = 6,251.83 : x
  2. Step 2: Convert to fraction form
    11,287.52/15,576.90 = 6,251.83/x
  3. Step 3: Cross multiply
    11,287.52x = 15,576.90 × 6,251.83
  4. Step 4: Simplify right side
    11,287.52x = 97,384,130.73
  5. Step 5: Solve for x
    x = 97,384,130.73/11,287.52
  6. Step 6: Final answer
    x = 8,627.60

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1.5x scale

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.