Home / 10,717.67-16,077.53-3,320.14

Finding the Fourth Proportional to 10,717.67, 16,077.53 and 3,320.14

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Solution

The fourth proportional to 10,717.67, 16,077.53 and 3,320.14 is: 4,980.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,717.67 : 16,077.53 = 3,320.14 : x
  2. Step 2: Convert to fraction form
    10,717.67/16,077.53 = 3,320.14/x
  3. Step 3: Cross multiply
    10,717.67x = 16,077.53 × 3,320.14
  4. Step 4: Simplify right side
    10,717.67x = 53,379,625.36
  5. Step 5: Solve for x
    x = 53,379,625.36/10,717.67
  6. Step 6: Final answer
    x = 4,980.53

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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.