Home / 11,487.16-17,237.42-4,472.02

Finding the Fourth Proportional to 11,487.16, 17,237.42 and 4,472.02

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Solution

The fourth proportional to 11,487.16, 17,237.42 and 4,472.02 is: 6,710.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,487.16 : 17,237.42 = 4,472.02 : x
  2. Step 2: Convert to fraction form
    11,487.16/17,237.42 = 4,472.02/x
  3. Step 3: Cross multiply
    11,487.16x = 17,237.42 × 4,472.02
  4. Step 4: Simplify right side
    11,487.16x = 77,086,086.99
  5. Step 5: Solve for x
    x = 77,086,086.99/11,487.16
  6. Step 6: Final answer
    x = 6,710.63

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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.