Home / 10,286.69-14,195.63-5,570.97

Finding the Fourth Proportional to 10,286.69, 14,195.63 and 5,570.97

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Solution

The fourth proportional to 10,286.69, 14,195.63 and 5,570.97 is: 7,687.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,286.69 : 14,195.63 = 5,570.97 : x
  2. Step 2: Convert to fraction form
    10,286.69/14,195.63 = 5,570.97/x
  3. Step 3: Cross multiply
    10,286.69x = 14,195.63 × 5,570.97
  4. Step 4: Simplify right side
    10,286.69x = 79,083,428.86
  5. Step 5: Solve for x
    x = 79,083,428.86/10,286.69
  6. Step 6: Final answer
    x = 7,687.94

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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.