Home / 10,289.83-15,431.68-4,366.62

Finding the Fourth Proportional to 10,289.83, 15,431.68 and 4,366.62

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Solution

The fourth proportional to 10,289.83, 15,431.68 and 4,366.62 is: 6,548.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,289.83 : 15,431.68 = 4,366.62 : x
  2. Step 2: Convert to fraction form
    10,289.83/15,431.68 = 4,366.62/x
  3. Step 3: Cross multiply
    10,289.83x = 15,431.68 × 4,366.62
  4. Step 4: Simplify right side
    10,289.83x = 67,384,287.98
  5. Step 5: Solve for x
    x = 67,384,287.98/10,289.83
  6. Step 6: Final answer
    x = 6,548.63

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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.