Home / 10,360.91-15,538.29-3,785.56

Finding the Fourth Proportional to 10,360.91, 15,538.29 and 3,785.56

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Solution

The fourth proportional to 10,360.91, 15,538.29 and 3,785.56 is: 5,677.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,360.91 : 15,538.29 = 3,785.56 : x
  2. Step 2: Convert to fraction form
    10,360.91/15,538.29 = 3,785.56/x
  3. Step 3: Cross multiply
    10,360.91x = 15,538.29 × 3,785.56
  4. Step 4: Simplify right side
    10,360.91x = 58,821,146.37
  5. Step 5: Solve for x
    x = 58,821,146.37/10,360.91
  6. Step 6: Final answer
    x = 5,677.22

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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.