Home / 7,424.70-11,135.25-2,158.29

Finding the Fourth Proportional to 7,424.70, 11,135.25 and 2,158.29

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Solution

The fourth proportional to 7,424.70, 11,135.25 and 2,158.29 is: 3,236.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,424.70 : 11,135.25 = 2,158.29 : x
  2. Step 2: Convert to fraction form
    7,424.70/11,135.25 = 2,158.29/x
  3. Step 3: Cross multiply
    7,424.70x = 11,135.25 × 2,158.29
  4. Step 4: Simplify right side
    7,424.70x = 24,033,098.72
  5. Step 5: Solve for x
    x = 24,033,098.72/7,424.70
  6. Step 6: Final answer
    x = 3,236.91

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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.