Home / 11,275.44-16,916.76-5,432.64

Finding the Fourth Proportional to 11,275.44, 16,916.76 and 5,432.64

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Solution

The fourth proportional to 11,275.44, 16,916.76 and 5,432.64 is: 8,150.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,275.44 : 16,916.76 = 5,432.64 : x
  2. Step 2: Convert to fraction form
    11,275.44/16,916.76 = 5,432.64/x
  3. Step 3: Cross multiply
    11,275.44x = 16,916.76 × 5,432.64
  4. Step 4: Simplify right side
    11,275.44x = 91,902,667.05
  5. Step 5: Solve for x
    x = 91,902,667.05/11,275.44
  6. Step 6: Final answer
    x = 8,150.69

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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.