Home / 10,359.83-15,542.07-3,785.85

Finding the Fourth Proportional to 10,359.83, 15,542.07 and 3,785.85

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Solution

The fourth proportional to 10,359.83, 15,542.07 and 3,785.85 is: 5,679.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,359.83 : 15,542.07 = 3,785.85 : x
  2. Step 2: Convert to fraction form
    10,359.83/15,542.07 = 3,785.85/x
  3. Step 3: Cross multiply
    10,359.83x = 15,542.07 × 3,785.85
  4. Step 4: Simplify right side
    10,359.83x = 58,839,931.51
  5. Step 5: Solve for x
    x = 58,839,931.51/10,359.83
  6. Step 6: Final answer
    x = 5,679.62

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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.