Home / 10,359.26-15,538.62-3,433.76

Finding the Fourth Proportional to 10,359.26, 15,538.62 and 3,433.76

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Solution

The fourth proportional to 10,359.26, 15,538.62 and 3,433.76 is: 5,150.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,359.26 : 15,538.62 = 3,433.76 : x
  2. Step 2: Convert to fraction form
    10,359.26/15,538.62 = 3,433.76/x
  3. Step 3: Cross multiply
    10,359.26x = 15,538.62 × 3,433.76
  4. Step 4: Simplify right side
    10,359.26x = 53,355,891.81
  5. Step 5: Solve for x
    x = 53,355,891.81/10,359.26
  6. Step 6: Final answer
    x = 5,150.55

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1.5x scale

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.