Home / 9,137.48-13,724.64-5,446.91

Finding the Fourth Proportional to 9,137.48, 13,724.64 and 5,446.91

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Solution

The fourth proportional to 9,137.48, 13,724.64 and 5,446.91 is: 8,181.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,137.48 : 13,724.64 = 5,446.91 : x
  2. Step 2: Convert to fraction form
    9,137.48/13,724.64 = 5,446.91/x
  3. Step 3: Cross multiply
    9,137.48x = 13,724.64 × 5,446.91
  4. Step 4: Simplify right side
    9,137.48x = 74,756,930.33
  5. Step 5: Solve for x
    x = 74,756,930.33/9,137.48
  6. Step 6: Final answer
    x = 8,181.35

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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.