Home / 10,161.27-14,022.99-5,685.03

Finding the Fourth Proportional to 10,161.27, 14,022.99 and 5,685.03

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Solution

The fourth proportional to 10,161.27, 14,022.99 and 5,685.03 is: 7,845.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,161.27 : 14,022.99 = 5,685.03 : x
  2. Step 2: Convert to fraction form
    10,161.27/14,022.99 = 5,685.03/x
  3. Step 3: Cross multiply
    10,161.27x = 14,022.99 × 5,685.03
  4. Step 4: Simplify right side
    10,161.27x = 79,721,118.84
  5. Step 5: Solve for x
    x = 79,721,118.84/10,161.27
  6. Step 6: Final answer
    x = 7,845.59

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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.