Home / 10,388.93-15,580.32-3,724.39

Finding the Fourth Proportional to 10,388.93, 15,580.32 and 3,724.39

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Solution

The fourth proportional to 10,388.93, 15,580.32 and 3,724.39 is: 5,585.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,388.93 : 15,580.32 = 3,724.39 : x
  2. Step 2: Convert to fraction form
    10,388.93/15,580.32 = 3,724.39/x
  3. Step 3: Cross multiply
    10,388.93x = 15,580.32 × 3,724.39
  4. Step 4: Simplify right side
    10,388.93x = 58,027,246.85
  5. Step 5: Solve for x
    x = 58,027,246.85/10,388.93
  6. Step 6: Final answer
    x = 5,585.49

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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.