Home / 10,707.66-16,061.55-3,782.16

Finding the Fourth Proportional to 10,707.66, 16,061.55 and 3,782.16

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Solution

The fourth proportional to 10,707.66, 16,061.55 and 3,782.16 is: 5,673.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,707.66 : 16,061.55 = 3,782.16 : x
  2. Step 2: Convert to fraction form
    10,707.66/16,061.55 = 3,782.16/x
  3. Step 3: Cross multiply
    10,707.66x = 16,061.55 × 3,782.16
  4. Step 4: Simplify right side
    10,707.66x = 60,747,351.95
  5. Step 5: Solve for x
    x = 60,747,351.95/10,707.66
  6. Step 6: Final answer
    x = 5,673.26

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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.