Home / 11,521.52-17,285.64-3,730.16

Finding the Fourth Proportional to 11,521.52, 17,285.64 and 3,730.16

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Solution

The fourth proportional to 11,521.52, 17,285.64 and 3,730.16 is: 5,596.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,521.52 : 17,285.64 = 3,730.16 : x
  2. Step 2: Convert to fraction form
    11,521.52/17,285.64 = 3,730.16/x
  3. Step 3: Cross multiply
    11,521.52x = 17,285.64 × 3,730.16
  4. Step 4: Simplify right side
    11,521.52x = 64,478,202.90
  5. Step 5: Solve for x
    x = 64,478,202.90/11,521.52
  6. Step 6: Final answer
    x = 5,596.33

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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.