Home / 11,621.16-17,433.50-4,695.40

Finding the Fourth Proportional to 11,621.16, 17,433.50 and 4,695.40

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Solution

The fourth proportional to 11,621.16, 17,433.50 and 4,695.40 is: 7,043.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,621.16 : 17,433.50 = 4,695.40 : x
  2. Step 2: Convert to fraction form
    11,621.16/17,433.50 = 4,695.40/x
  3. Step 3: Cross multiply
    11,621.16x = 17,433.50 × 4,695.40
  4. Step 4: Simplify right side
    11,621.16x = 81,857,255.90
  5. Step 5: Solve for x
    x = 81,857,255.90/11,621.16
  6. Step 6: Final answer
    x = 7,043.81

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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.