Home / 10,160.20-14,021.62-5,683.68

Finding the Fourth Proportional to 10,160.20, 14,021.62 and 5,683.68

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Solution

The fourth proportional to 10,160.20, 14,021.62 and 5,683.68 is: 7,843.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,160.20 : 14,021.62 = 5,683.68 : x
  2. Step 2: Convert to fraction form
    10,160.20/14,021.62 = 5,683.68/x
  3. Step 3: Cross multiply
    10,160.20x = 14,021.62 × 5,683.68
  4. Step 4: Simplify right side
    10,160.20x = 79,694,386.95
  5. Step 5: Solve for x
    x = 79,694,386.95/10,160.20
  6. Step 6: Final answer
    x = 7,843.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.