Home / 11,721.50-17,586.57-6,174.62

Finding the Fourth Proportional to 11,721.50, 17,586.57 and 6,174.62

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Solution

The fourth proportional to 11,721.50, 17,586.57 and 6,174.62 is: 9,264.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,721.50 : 17,586.57 = 6,174.62 : x
  2. Step 2: Convert to fraction form
    11,721.50/17,586.57 = 6,174.62/x
  3. Step 3: Cross multiply
    11,721.50x = 17,586.57 × 6,174.62
  4. Step 4: Simplify right side
    11,721.50x = 108,590,386.85
  5. Step 5: Solve for x
    x = 108,590,386.85/11,721.50
  6. Step 6: Final answer
    x = 9,264.21

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1.5x scale

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.