Home / 11,572.56-17,358.83-2,807.39

Finding the Fourth Proportional to 11,572.56, 17,358.83 and 2,807.39

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Solution

The fourth proportional to 11,572.56, 17,358.83 and 2,807.39 is: 4,211.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,572.56 : 17,358.83 = 2,807.39 : x
  2. Step 2: Convert to fraction form
    11,572.56/17,358.83 = 2,807.39/x
  3. Step 3: Cross multiply
    11,572.56x = 17,358.83 × 2,807.39
  4. Step 4: Simplify right side
    11,572.56x = 48,733,005.75
  5. Step 5: Solve for x
    x = 48,733,005.75/11,572.56
  6. Step 6: Final answer
    x = 4,211.08

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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.