Home / 10,965.24-16,454.61-5,122.44

Finding the Fourth Proportional to 10,965.24, 16,454.61 and 5,122.44

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Solution

The fourth proportional to 10,965.24, 16,454.61 and 5,122.44 is: 7,686.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,965.24 : 16,454.61 = 5,122.44 : x
  2. Step 2: Convert to fraction form
    10,965.24/16,454.61 = 5,122.44/x
  3. Step 3: Cross multiply
    10,965.24x = 16,454.61 × 5,122.44
  4. Step 4: Simplify right side
    10,965.24x = 84,287,752.45
  5. Step 5: Solve for x
    x = 84,287,752.45/10,965.24
  6. Step 6: Final answer
    x = 7,686.81

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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.