Home / 10,161.97-14,023.77-5,685.68

Finding the Fourth Proportional to 10,161.97, 14,023.77 and 5,685.68

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Solution

The fourth proportional to 10,161.97, 14,023.77 and 5,685.68 is: 7,846.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,161.97 : 14,023.77 = 5,685.68 : x
  2. Step 2: Convert to fraction form
    10,161.97/14,023.77 = 5,685.68/x
  3. Step 3: Cross multiply
    10,161.97x = 14,023.77 × 5,685.68
  4. Step 4: Simplify right side
    10,161.97x = 79,734,668.61
  5. Step 5: Solve for x
    x = 79,734,668.61/10,161.97
  6. Step 6: Final answer
    x = 7,846.38

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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.